Desugared lib: rename test packages

- no upper case in package name
- corelib -> desugaredlibrary
- reformat after rename

Change-Id: Ic2ce805d763b43616799bbb5ecf00b6668c8df0b
diff --git a/src/test/desugaredLibraryConversions/conversions/OptionalConversions.java b/src/test/desugaredLibrary/conversions/OptionalConversions.java
similarity index 100%
rename from src/test/desugaredLibraryConversions/conversions/OptionalConversions.java
rename to src/test/desugaredLibrary/conversions/OptionalConversions.java
diff --git a/src/test/desugaredLibraryConversions/conversions/TimeConversions.java b/src/test/desugaredLibrary/conversions/TimeConversions.java
similarity index 100%
rename from src/test/desugaredLibraryConversions/conversions/TimeConversions.java
rename to src/test/desugaredLibrary/conversions/TimeConversions.java
diff --git a/src/test/desugaredLibraryConversions/stubs/optionalstubs/Optional.java b/src/test/desugaredLibrary/stubs/optionalstubs/Optional.java
similarity index 100%
rename from src/test/desugaredLibraryConversions/stubs/optionalstubs/Optional.java
rename to src/test/desugaredLibrary/stubs/optionalstubs/Optional.java
diff --git a/src/test/desugaredLibraryConversions/stubs/optionalstubs/OptionalDouble.java b/src/test/desugaredLibrary/stubs/optionalstubs/OptionalDouble.java
similarity index 100%
rename from src/test/desugaredLibraryConversions/stubs/optionalstubs/OptionalDouble.java
rename to src/test/desugaredLibrary/stubs/optionalstubs/OptionalDouble.java
diff --git a/src/test/desugaredLibraryConversions/stubs/optionalstubs/OptionalInt.java b/src/test/desugaredLibrary/stubs/optionalstubs/OptionalInt.java
similarity index 100%
rename from src/test/desugaredLibraryConversions/stubs/optionalstubs/OptionalInt.java
rename to src/test/desugaredLibrary/stubs/optionalstubs/OptionalInt.java
diff --git a/src/test/desugaredLibraryConversions/stubs/optionalstubs/OptionalLong.java b/src/test/desugaredLibrary/stubs/optionalstubs/OptionalLong.java
similarity index 100%
rename from src/test/desugaredLibraryConversions/stubs/optionalstubs/OptionalLong.java
rename to src/test/desugaredLibrary/stubs/optionalstubs/OptionalLong.java
diff --git a/src/test/desugaredLibraryConversions/stubs/timestubs/Duration.java b/src/test/desugaredLibrary/stubs/timestubs/Duration.java
similarity index 100%
rename from src/test/desugaredLibraryConversions/stubs/timestubs/Duration.java
rename to src/test/desugaredLibrary/stubs/timestubs/Duration.java
diff --git a/src/test/desugaredLibraryConversions/stubs/timestubs/Instant.java b/src/test/desugaredLibrary/stubs/timestubs/Instant.java
similarity index 100%
rename from src/test/desugaredLibraryConversions/stubs/timestubs/Instant.java
rename to src/test/desugaredLibrary/stubs/timestubs/Instant.java
diff --git a/src/test/desugaredLibraryConversions/stubs/timestubs/LocalDate.java b/src/test/desugaredLibrary/stubs/timestubs/LocalDate.java
similarity index 100%
rename from src/test/desugaredLibraryConversions/stubs/timestubs/LocalDate.java
rename to src/test/desugaredLibrary/stubs/timestubs/LocalDate.java
diff --git a/src/test/desugaredLibraryConversions/stubs/timestubs/MonthDay.java b/src/test/desugaredLibrary/stubs/timestubs/MonthDay.java
similarity index 100%
rename from src/test/desugaredLibraryConversions/stubs/timestubs/MonthDay.java
rename to src/test/desugaredLibrary/stubs/timestubs/MonthDay.java
diff --git a/src/test/desugaredLibraryConversions/stubs/timestubs/ZoneId.java b/src/test/desugaredLibrary/stubs/timestubs/ZoneId.java
similarity index 100%
rename from src/test/desugaredLibraryConversions/stubs/timestubs/ZoneId.java
rename to src/test/desugaredLibrary/stubs/timestubs/ZoneId.java
diff --git a/src/test/desugaredLibraryConversions/stubs/timestubs/ZonedDateTime.java b/src/test/desugaredLibrary/stubs/timestubs/ZonedDateTime.java
similarity index 100%
rename from src/test/desugaredLibraryConversions/stubs/timestubs/ZonedDateTime.java
rename to src/test/desugaredLibrary/stubs/timestubs/ZonedDateTime.java
diff --git a/src/test/examplesJava9/backport/ObjectsBackportJava9Main.java b/src/test/examplesJava9/backport/ObjectsBackportJava9Main.java
index 483b176..5f0f97f 100644
--- a/src/test/examplesJava9/backport/ObjectsBackportJava9Main.java
+++ b/src/test/examplesJava9/backport/ObjectsBackportJava9Main.java
@@ -9,7 +9,8 @@
 
     testRequireNonNullElse();
     if (!isAndroid || Integer.parseInt(majorVersion) >= 7) {
-      // TODO desugaring corelib is blocked by https://issuetracker.google.com/issues/114481425
+      // TODO desugaring desugaredlibrary is blocked by
+      // https://issuetracker.google.com/issues/114481425
       testRequireNonNullElseGet();
     }
     testCheckIndex();
diff --git a/src/test/java/com/android/tools/r8/D8TestBuilder.java b/src/test/java/com/android/tools/r8/D8TestBuilder.java
index 318c725..c913b40 100644
--- a/src/test/java/com/android/tools/r8/D8TestBuilder.java
+++ b/src/test/java/com/android/tools/r8/D8TestBuilder.java
@@ -5,7 +5,7 @@
 
 import com.android.tools.r8.D8Command.Builder;
 import com.android.tools.r8.TestBase.Backend;
-import com.android.tools.r8.desugar.corelib.CoreLibDesugarTestBase.KeepRuleConsumer;
+import com.android.tools.r8.desugar.desugaredlibrary.CoreLibDesugarTestBase.KeepRuleConsumer;
 import com.android.tools.r8.utils.AndroidApiLevel;
 import com.android.tools.r8.utils.AndroidApp;
 import com.android.tools.r8.utils.InternalOptions;
diff --git a/src/test/java/com/android/tools/r8/R8TestBuilder.java b/src/test/java/com/android/tools/r8/R8TestBuilder.java
index 8a7d989..db0c7b2 100644
--- a/src/test/java/com/android/tools/r8/R8TestBuilder.java
+++ b/src/test/java/com/android/tools/r8/R8TestBuilder.java
@@ -5,7 +5,7 @@
 
 import com.android.tools.r8.R8Command.Builder;
 import com.android.tools.r8.TestBase.Backend;
-import com.android.tools.r8.desugar.corelib.CoreLibDesugarTestBase.KeepRuleConsumer;
+import com.android.tools.r8.desugar.desugaredlibrary.CoreLibDesugarTestBase.KeepRuleConsumer;
 import com.android.tools.r8.experimental.graphinfo.GraphConsumer;
 import com.android.tools.r8.origin.Origin;
 import com.android.tools.r8.shaking.CollectingGraphConsumer;
diff --git a/src/test/java/com/android/tools/r8/TestCompilerBuilder.java b/src/test/java/com/android/tools/r8/TestCompilerBuilder.java
index 0508c92..882459b 100644
--- a/src/test/java/com/android/tools/r8/TestCompilerBuilder.java
+++ b/src/test/java/com/android/tools/r8/TestCompilerBuilder.java
@@ -5,7 +5,7 @@
 
 import com.android.tools.r8.TestBase.Backend;
 import com.android.tools.r8.debug.DebugTestConfig;
-import com.android.tools.r8.desugar.corelib.CoreLibDesugarTestBase.KeepRuleConsumer;
+import com.android.tools.r8.desugar.desugaredlibrary.CoreLibDesugarTestBase.KeepRuleConsumer;
 import com.android.tools.r8.errors.Unreachable;
 import com.android.tools.r8.utils.AndroidApiLevel;
 import com.android.tools.r8.utils.AndroidApp;
diff --git a/src/test/java/com/android/tools/r8/ToolHelper.java b/src/test/java/com/android/tools/r8/ToolHelper.java
index d363c34..66de7d1 100644
--- a/src/test/java/com/android/tools/r8/ToolHelper.java
+++ b/src/test/java/com/android/tools/r8/ToolHelper.java
@@ -160,7 +160,8 @@
   public static final Path DEPS_NOT_RELOCATED = Paths.get(LIBS_DIR, "deps-not-relocated.jar");
 
   public static final Path DESUGAR_LIB_JSON_FOR_TESTING =
-      Paths.get("src/test/java/com/android/tools/r8/desugar/corelib/desugar_jdk_libs.json");
+      Paths.get(
+          "src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugar_jdk_libs.json");
 
   public static boolean isLocalDevelopment() {
     return System.getProperty("local_development", "0").equals("1");
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/CoreLibDesugarTestBase.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/CoreLibDesugarTestBase.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/CoreLibDesugarTestBase.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/CoreLibDesugarTestBase.java
index 90e675c..9a08b11 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/CoreLibDesugarTestBase.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/CoreLibDesugarTestBase.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static junit.framework.TestCase.assertEquals;
 import static junit.framework.TestCase.assertTrue;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/CustomCollectionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/CustomCollectionTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/CustomCollectionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/CustomCollectionTest.java
index 079495b..1a5c127 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/CustomCollectionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/CustomCollectionTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -50,7 +50,7 @@
   }
 
   private final String EXECUTOR =
-      "com.android.tools.r8.desugar.corelib.CustomCollectionTest$Executor";
+      "com.android.tools.r8.desugar.desugaredlibrary.CustomCollectionTest$Executor";
 
   @Test
   public void testCustomCollectionD8() throws Exception {
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/DesugaredLibraryContentTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DesugaredLibraryContentTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/DesugaredLibraryContentTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DesugaredLibraryContentTest.java
index 28eca82..b60de38 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/DesugaredLibraryContentTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DesugaredLibraryContentTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
 import static junit.framework.TestCase.assertTrue;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/DisableDesugarTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DisableDesugarTest.java
similarity index 97%
rename from src/test/java/com/android/tools/r8/desugar/corelib/DisableDesugarTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DisableDesugarTest.java
index cb928cc..5cc9006 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/DisableDesugarTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DisableDesugarTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static org.hamcrest.CoreMatchers.containsString;
 import static org.hamcrest.MatcherAssert.assertThat;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/DoubleUtilityClassTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DoubleUtilityClassTest.java
similarity index 93%
rename from src/test/java/com/android/tools/r8/desugar/corelib/DoubleUtilityClassTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DoubleUtilityClassTest.java
index d4941ec..6a59664 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/DoubleUtilityClassTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DoubleUtilityClassTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static org.hamcrest.core.IsNot.not;
 import static org.hamcrest.core.StringContains.containsString;
@@ -48,8 +48,8 @@
           .assertStderrMatches(
               not(
                   containsString(
-                      "(Lcom/android/tools/r8/desugar/corelib/DoubleUtilityClassTest$Executor; had"
-                          + " used a different"
+                      "(Lcom/android/tools/r8/desugar/desugaredlibrary/DoubleUtilityClassTest$Executor;"
+                          + " had used a different"
                           + " L$r8$backportedMethods$utility$Objects$requireNonNullMessage; during"
                           + " pre-verification)  (dalvikvm)")));
     }
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/DumpCoreLibUsage.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DumpCoreLibUsage.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/DumpCoreLibUsage.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DumpCoreLibUsage.java
index fe553d1..7513e50 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/DumpCoreLibUsage.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DumpCoreLibUsage.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import com.android.tools.r8.ToolHelper;
 import com.android.tools.r8.dex.ApplicationReader;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/EmptyDesugaredLibrary.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/EmptyDesugaredLibrary.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/EmptyDesugaredLibrary.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/EmptyDesugaredLibrary.java
index 998682c..80bdb4f 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/EmptyDesugaredLibrary.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/EmptyDesugaredLibrary.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/EmulatedInterfacesTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/EmulatedInterfacesTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/EmulatedInterfacesTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/EmulatedInterfacesTest.java
index fe631b5..c2cc678 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/EmulatedInterfacesTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/EmulatedInterfacesTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
 import static junit.framework.TestCase.assertEquals;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/InconsistentPrefixTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/InconsistentPrefixTest.java
similarity index 96%
rename from src/test/java/com/android/tools/r8/desugar/corelib/InconsistentPrefixTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/InconsistentPrefixTest.java
index adbcb3d..401f798 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/InconsistentPrefixTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/InconsistentPrefixTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static junit.framework.TestCase.assertTrue;
 import static junit.framework.TestCase.fail;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/JavaTimeTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/JavaTimeTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/JavaTimeTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/JavaTimeTest.java
index 21c2f8f..5c295c9 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/JavaTimeTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/JavaTimeTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
 import static org.hamcrest.MatcherAssert.assertThat;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/JavaUtilFunctionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/JavaUtilFunctionTest.java
similarity index 95%
rename from src/test/java/com/android/tools/r8/desugar/corelib/JavaUtilFunctionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/JavaUtilFunctionTest.java
index 53c9a9d..78617c7 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/JavaUtilFunctionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/JavaUtilFunctionTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
 import static org.hamcrest.MatcherAssert.assertThat;
@@ -10,8 +10,6 @@
 
 import com.android.tools.r8.NeverInline;
 import com.android.tools.r8.TestParameters;
-import com.android.tools.r8.ir.desugar.DesugaredLibraryWrapperSynthesizer;
-import com.android.tools.r8.utils.AndroidApiLevel;
 import com.android.tools.r8.utils.BooleanUtils;
 import com.android.tools.r8.utils.StringUtils;
 import com.android.tools.r8.utils.codeinspector.ClassSubject;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/JavaUtilOptionalTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/JavaUtilOptionalTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/JavaUtilOptionalTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/JavaUtilOptionalTest.java
index 7c13e5c..31a7413 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/JavaUtilOptionalTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/JavaUtilOptionalTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static com.android.tools.r8.utils.FileUtils.JAR_EXTENSION;
 import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/LinkedHashSetTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/LinkedHashSetTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/LinkedHashSetTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/LinkedHashSetTest.java
index 178af61..afae3b0 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/LinkedHashSetTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/LinkedHashSetTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import com.android.tools.r8.TestParameters;
 import com.android.tools.r8.TestParametersCollection;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/LintFilesTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/LintFilesTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/LintFilesTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/LintFilesTest.java
index 146707f..346743b 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/LintFilesTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/LintFilesTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/MergingJ$Test.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/MergingJ$Test.java
similarity index 95%
rename from src/test/java/com/android/tools/r8/desugar/corelib/MergingJ$Test.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/MergingJ$Test.java
index 072496b..6303b04 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/MergingJ$Test.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/MergingJ$Test.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static junit.framework.TestCase.assertNotNull;
 import static junit.framework.TestCase.assertTrue;
@@ -13,7 +13,7 @@
 import com.android.tools.r8.OutputMode;
 import com.android.tools.r8.StringResource;
 import com.android.tools.r8.ToolHelper;
-import com.android.tools.r8.desugar.corelib.corelibjdktests.Jdk11CoreLibTestBase;
+import com.android.tools.r8.desugar.desugaredlibrary.desugaredlibraryjdktests.Jdk11CoreLibTestBase;
 import com.android.tools.r8.utils.AndroidApiLevel;
 import com.android.tools.r8.utils.codeinspector.CodeInspector;
 import java.nio.file.Path;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/NeverMergeCoreLibDesugarClasses.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/NeverMergeCoreLibDesugarClasses.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/NeverMergeCoreLibDesugarClasses.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/NeverMergeCoreLibDesugarClasses.java
index 352fccf..a865ee3 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/NeverMergeCoreLibDesugarClasses.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/NeverMergeCoreLibDesugarClasses.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static org.hamcrest.CoreMatchers.containsString;
 import static org.hamcrest.MatcherAssert.assertThat;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/ProgramRewritingTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/ProgramRewritingTest.java
similarity index 99%
rename from src/test/java/com/android/tools/r8/desugar/corelib/ProgramRewritingTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/ProgramRewritingTest.java
index 402e06b..f2889ca 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/ProgramRewritingTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/ProgramRewritingTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
 import static junit.framework.TestCase.assertEquals;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/RetargetOverrideTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/RetargetOverrideTest.java
similarity index 97%
rename from src/test/java/com/android/tools/r8/desugar/corelib/RetargetOverrideTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/RetargetOverrideTest.java
index df4e4d8..bc6054a 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/RetargetOverrideTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/RetargetOverrideTest.java
@@ -2,12 +2,10 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import com.android.tools.r8.TestParameters;
 import com.android.tools.r8.TestParametersCollection;
-import java.time.Instant;
-import java.time.ZonedDateTime;
 import java.util.Date;
 import java.util.GregorianCalendar;
 import java.util.concurrent.atomic.AtomicInteger;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/StaticInterfaceMethodTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/StaticInterfaceMethodTest.java
similarity index 96%
rename from src/test/java/com/android/tools/r8/desugar/corelib/StaticInterfaceMethodTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/StaticInterfaceMethodTest.java
index aafd39f..af7d1c8 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/StaticInterfaceMethodTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/StaticInterfaceMethodTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib;
+package com.android.tools.r8.desugar.desugaredlibrary;
 
 import com.android.tools.r8.TestParameters;
 import com.android.tools.r8.TestParametersCollection;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionFinalClassErrorTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionFinalClassErrorTest.java
similarity index 95%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionFinalClassErrorTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionFinalClassErrorTest.java
index c2297ad..a8bf8ed 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionFinalClassErrorTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionFinalClassErrorTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import static junit.framework.TestCase.assertEquals;
 import static junit.framework.TestCase.fail;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionFinalWarningTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionFinalWarningTest.java
similarity index 96%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionFinalWarningTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionFinalWarningTest.java
index 48d836d..752c2e6 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionFinalWarningTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionFinalWarningTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import static org.hamcrest.CoreMatchers.startsWith;
 
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionLargeWarningTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionLargeWarningTest.java
similarity index 96%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionLargeWarningTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionLargeWarningTest.java
index 1818802..6d7a9d5 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionLargeWarningTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionLargeWarningTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import static org.hamcrest.CoreMatchers.startsWith;
 
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionTest.java
similarity index 91%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionTest.java
index 8fadf97..0d4f8a2 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionTest.java
@@ -1,23 +1,18 @@
 // Copyright (c) 2019, the R8 project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import static org.hamcrest.CoreMatchers.endsWith;
 import static org.hamcrest.core.StringContains.containsString;
-import static org.junit.Assert.assertFalse;
 
-import com.android.tools.r8.D8TestCompileResult;
-import com.android.tools.r8.Diagnostic;
 import com.android.tools.r8.TestParameters;
 import com.android.tools.r8.TestParametersCollection;
 import com.android.tools.r8.ToolHelper.DexVm.Version;
-import com.android.tools.r8.desugar.corelib.CoreLibDesugarTestBase;
-import com.android.tools.r8.errors.InterfaceDesugarMissingTypeDiagnostic;
+import com.android.tools.r8.desugar.desugaredlibrary.CoreLibDesugarTestBase;
 import com.android.tools.r8.utils.AndroidApiLevel;
 import com.android.tools.r8.utils.StringUtils;
 import java.util.Arrays;
-import java.util.List;
 import java.util.Random;
 import java.util.function.IntUnaryOperator;
 import java.util.stream.IntStream;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionTestBase.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionTestBase.java
similarity index 93%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionTestBase.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionTestBase.java
index 0127ff7..640126d 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/APIConversionTestBase.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/APIConversionTestBase.java
@@ -2,11 +2,11 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import com.android.tools.r8.TestRuntime.CfVm;
 import com.android.tools.r8.ToolHelper;
-import com.android.tools.r8.desugar.corelib.CoreLibDesugarTestBase;
+import com.android.tools.r8.desugar.desugaredlibrary.CoreLibDesugarTestBase;
 import com.android.tools.r8.utils.AndroidApiLevel;
 import java.io.File;
 import java.io.IOException;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/AllOptionalConversionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/AllOptionalConversionTest.java
similarity index 97%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/AllOptionalConversionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/AllOptionalConversionTest.java
index 6c069d9..9eda3e2 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/AllOptionalConversionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/AllOptionalConversionTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import com.android.tools.r8.TestRuntime.DexRuntime;
 import com.android.tools.r8.ToolHelper.DexVm;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/AllTimeConversionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/AllTimeConversionTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/AllTimeConversionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/AllTimeConversionTest.java
index 3775eba..1128076 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/AllTimeConversionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/AllTimeConversionTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import static junit.framework.TestCase.assertEquals;
 import static junit.framework.TestCase.assertTrue;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/BasicLongDoubleConversionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/BasicLongDoubleConversionTest.java
similarity index 96%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/BasicLongDoubleConversionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/BasicLongDoubleConversionTest.java
index cd6dd54..f87454c 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/BasicLongDoubleConversionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/BasicLongDoubleConversionTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import com.android.tools.r8.TestRuntime.DexRuntime;
 import com.android.tools.r8.ToolHelper.DexVm;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/BasicTimeConversionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/BasicTimeConversionTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/BasicTimeConversionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/BasicTimeConversionTest.java
index 0d67136..7c45daa 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/BasicTimeConversionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/BasicTimeConversionTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
 import static junit.framework.TestCase.assertEquals;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/CallBackConversionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/CallBackConversionTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/CallBackConversionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/CallBackConversionTest.java
index 49ee9af..2bdc252 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/CallBackConversionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/CallBackConversionTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import static junit.framework.TestCase.assertEquals;
 import static junit.framework.TestCase.assertTrue;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/ClockAPIConversionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/ClockAPIConversionTest.java
similarity index 96%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/ClockAPIConversionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/ClockAPIConversionTest.java
index 4f52664..17751e9 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/ClockAPIConversionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/ClockAPIConversionTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import com.android.tools.r8.TestRuntime.DexRuntime;
 import com.android.tools.r8.ToolHelper.DexVm;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/ConversionErrorMessageTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/ConversionErrorMessageTest.java
similarity index 96%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/ConversionErrorMessageTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/ConversionErrorMessageTest.java
index 9be1f56..66d1a72 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/ConversionErrorMessageTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/ConversionErrorMessageTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import com.android.tools.r8.TestParameters;
 import com.android.tools.r8.TestParametersCollection;
@@ -50,9 +50,8 @@
         "noSuchMethod",
         msg,
         "noClassDef",
-        "com.android.tools.r8.desugar.corelib.conversionTests."
+        "com.android.tools.r8.desugar.desugaredlibrary.conversiontests."
             + "ConversionErrorMessageTest$MyIntUnaryOperator");
-
   }
 
   private boolean hasRequiredAPI() {
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/ConversionIntroduceInterfaceMethodTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/ConversionIntroduceInterfaceMethodTest.java
similarity index 97%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/ConversionIntroduceInterfaceMethodTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/ConversionIntroduceInterfaceMethodTest.java
index f38aa3b..11dcdeb 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/ConversionIntroduceInterfaceMethodTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/ConversionIntroduceInterfaceMethodTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import com.android.tools.r8.TestRuntime.DexRuntime;
 import com.android.tools.r8.ToolHelper.DexVm;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/FunctionConversionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/FunctionConversionTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/FunctionConversionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/FunctionConversionTest.java
index cc44509..61068b3 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/FunctionConversionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/FunctionConversionTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import static junit.framework.TestCase.assertEquals;
 
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/MoreFunctionConversionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/MoreFunctionConversionTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/MoreFunctionConversionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/MoreFunctionConversionTest.java
index fd3af23..393ebca 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/MoreFunctionConversionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/MoreFunctionConversionTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import static org.junit.Assert.assertEquals;
 
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/TryCatchTimeConversionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/TryCatchTimeConversionTest.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/TryCatchTimeConversionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/TryCatchTimeConversionTest.java
index 7fdae41..9ff6fa8 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/TryCatchTimeConversionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/TryCatchTimeConversionTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import com.android.tools.r8.TestRuntime.DexRuntime;
 import com.android.tools.r8.ToolHelper.DexVm;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/UnwrapConversionTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/UnwrapConversionTest.java
similarity index 96%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/UnwrapConversionTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/UnwrapConversionTest.java
index 8fe7504..43ede3a 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/UnwrapConversionTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/UnwrapConversionTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import com.android.tools.r8.TestRuntime.DexRuntime;
 import com.android.tools.r8.ToolHelper.DexVm;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/WrapperMergeConflictTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/WrapperMergeConflictTest.java
similarity index 95%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/WrapperMergeConflictTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/WrapperMergeConflictTest.java
index fe1d343..bb0c2b1 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/WrapperMergeConflictTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/WrapperMergeConflictTest.java
@@ -2,14 +2,13 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
 import com.android.tools.r8.TestRuntime.DexRuntime;
 import com.android.tools.r8.ToolHelper.DexVm;
-import com.android.tools.r8.desugar.corelib.conversionTests.UnwrapConversionTest.CustomLibClass;
 import com.android.tools.r8.ir.desugar.DesugaredLibraryWrapperSynthesizer;
 import com.android.tools.r8.utils.AndroidApiLevel;
 import com.android.tools.r8.utils.StringUtils;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/WrapperMergeTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/WrapperMergeTest.java
similarity index 96%
rename from src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/WrapperMergeTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/WrapperMergeTest.java
index c4d1880..c93e820 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/conversionTests/WrapperMergeTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/conversiontests/WrapperMergeTest.java
@@ -2,9 +2,10 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.conversionTests;
+package com.android.tools.r8.desugar.desugaredlibrary.conversiontests;
 
 import static org.junit.Assert.assertEquals;
+
 import com.android.tools.r8.TestRuntime.DexRuntime;
 import com.android.tools.r8.ToolHelper.DexVm;
 import com.android.tools.r8.ir.desugar.DesugaredLibraryWrapperSynthesizer;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/desugar_jdk_libs.json b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugar_jdk_libs.json
similarity index 100%
rename from src/test/java/com/android/tools/r8/desugar/corelib/desugar_jdk_libs.json
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugar_jdk_libs.json
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/desugar_jdk_libs_comments.md b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugar_jdk_libs_comments.md
similarity index 100%
rename from src/test/java/com/android/tools/r8/desugar/corelib/desugar_jdk_libs_comments.md
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugar_jdk_libs_comments.md
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11AtomicTests.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11AtomicTests.java
similarity index 97%
rename from src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11AtomicTests.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11AtomicTests.java
index b90e644..ff60941 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11AtomicTests.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11AtomicTests.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.corelibjdktests;
+package com.android.tools.r8.desugar.desugaredlibrary.desugaredlibraryjdktests;
 
 import static com.android.tools.r8.ToolHelper.JDK_TESTS_BUILD_DIR;
 import static com.android.tools.r8.utils.FileUtils.CLASS_EXTENSION;
@@ -19,7 +19,6 @@
 import java.nio.file.Paths;
 import java.util.Collections;
 import java.util.List;
-import org.junit.Assume;
 import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11ConcurrentMapTests.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11ConcurrentMapTests.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11ConcurrentMapTests.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11ConcurrentMapTests.java
index 6a596e5..b983d33 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11ConcurrentMapTests.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11ConcurrentMapTests.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.corelibjdktests;
+package com.android.tools.r8.desugar.desugaredlibrary.desugaredlibraryjdktests;
 
 import static com.android.tools.r8.ToolHelper.JDK_TESTS_BUILD_DIR;
 import static com.android.tools.r8.utils.FileUtils.CLASS_EXTENSION;
@@ -27,7 +27,6 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import org.junit.Assume;
 import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11CoreLibTestBase.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11CoreLibTestBase.java
similarity index 95%
rename from src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11CoreLibTestBase.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11CoreLibTestBase.java
index 4be9077..f9ee2cc 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11CoreLibTestBase.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11CoreLibTestBase.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.corelibjdktests;
+package com.android.tools.r8.desugar.desugaredlibrary.desugaredlibraryjdktests;
 
 import static com.android.tools.r8.ToolHelper.JDK_TESTS_BUILD_DIR;
 import static com.android.tools.r8.utils.FileUtils.CLASS_EXTENSION;
@@ -10,12 +10,10 @@
 
 import com.android.tools.r8.TestRuntime.CfVm;
 import com.android.tools.r8.ToolHelper;
-import com.android.tools.r8.desugar.corelib.CoreLibDesugarTestBase;
+import com.android.tools.r8.desugar.desugaredlibrary.CoreLibDesugarTestBase;
 import com.android.tools.r8.utils.AndroidApiLevel;
 import com.google.common.collect.ImmutableList;
 import java.io.File;
-import java.io.IOException;
-import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Arrays;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11MathTests.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11MathTests.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11MathTests.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11MathTests.java
index f116625..9d84630 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11MathTests.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11MathTests.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.corelibjdktests;
+package com.android.tools.r8.desugar.desugaredlibrary.desugaredlibraryjdktests;
 
 import static com.android.tools.r8.utils.FileUtils.CLASS_EXTENSION;
 import static com.android.tools.r8.utils.FileUtils.JAVA_EXTENSION;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11ObjectsTests.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11ObjectsTests.java
similarity index 93%
rename from src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11ObjectsTests.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11ObjectsTests.java
index 62ebb6f..39cfe0c 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11ObjectsTests.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11ObjectsTests.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.corelibjdktests;
+package com.android.tools.r8.desugar.desugaredlibrary.desugaredlibraryjdktests;
 
 import static com.android.tools.r8.utils.FileUtils.CLASS_EXTENSION;
 import static com.android.tools.r8.utils.FileUtils.JAVA_EXTENSION;
@@ -39,7 +39,8 @@
   @Parameterized.Parameters(name = "{0}")
   public static TestParametersCollection data() {
     return getTestParameters()
-        // TODO desugaring corelib is blocked by https://issuetracker.google.com/issues/114481425
+        // TODO desugaring desugaredlibrary is blocked by
+        // https://issuetracker.google.com/issues/114481425
         .withDexRuntimesStartingFromIncluding(DexVm.Version.V8_1_0)
         .withCfRuntime(CfVm.JDK11)
         .build();
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11StreamTests.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11StreamTests.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11StreamTests.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11StreamTests.java
index 1170981..adc0928 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11StreamTests.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11StreamTests.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.corelibjdktests;
+package com.android.tools.r8.desugar.desugaredlibrary.desugaredlibraryjdktests;
 
 import static com.android.tools.r8.ToolHelper.JDK_TESTS_BUILD_DIR;
 import static com.android.tools.r8.utils.FileUtils.CLASS_EXTENSION;
@@ -22,7 +22,6 @@
 import java.io.File;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.IdentityHashMap;
@@ -31,7 +30,6 @@
 import java.util.stream.Collectors;
 import org.junit.Assume;
 import org.junit.BeforeClass;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11TimeTests.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11TimeTests.java
similarity index 98%
rename from src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11TimeTests.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11TimeTests.java
index 01b3c9d..58acdc7 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/corelibjdktests/Jdk11TimeTests.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/desugaredlibraryjdktests/Jdk11TimeTests.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.corelibjdktests;
+package com.android.tools.r8.desugar.desugaredlibrary.desugaredlibraryjdktests;
 
 import static com.android.tools.r8.ToolHelper.JDK_TESTS_BUILD_DIR;
 import static org.junit.Assert.assertTrue;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/r8ondex/HelloWorldCompiledOnArtTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/r8ondex/HelloWorldCompiledOnArtTest.java
similarity index 96%
rename from src/test/java/com/android/tools/r8/desugar/corelib/r8ondex/HelloWorldCompiledOnArtTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/r8ondex/HelloWorldCompiledOnArtTest.java
index e08ee10..bc2d017 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/r8ondex/HelloWorldCompiledOnArtTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/r8ondex/HelloWorldCompiledOnArtTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.r8ondex;
+package com.android.tools.r8.desugar.desugaredlibrary.r8ondex;
 
 import static com.android.tools.r8.utils.FileUtils.JAR_EXTENSION;
 import static junit.framework.TestCase.assertEquals;
@@ -20,7 +20,7 @@
 import com.android.tools.r8.ToolHelper;
 import com.android.tools.r8.ToolHelper.DexVm.Version;
 import com.android.tools.r8.ToolHelper.ProcessResult;
-import com.android.tools.r8.desugar.corelib.conversionTests.APIConversionTestBase;
+import com.android.tools.r8.desugar.desugaredlibrary.conversiontests.APIConversionTestBase;
 import com.android.tools.r8.utils.AndroidApiLevel;
 import com.android.tools.r8.utils.StringUtils;
 import java.io.IOException;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/r8ondex/R8CompiledThroughDexTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/r8ondex/R8CompiledThroughDexTest.java
similarity index 96%
rename from src/test/java/com/android/tools/r8/desugar/corelib/r8ondex/R8CompiledThroughDexTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/r8ondex/R8CompiledThroughDexTest.java
index 3ebb6ec..882c545 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/r8ondex/R8CompiledThroughDexTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/r8ondex/R8CompiledThroughDexTest.java
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.r8ondex;
+package com.android.tools.r8.desugar.desugaredlibrary.r8ondex;
 
 import static junit.framework.TestCase.assertEquals;
 import static junit.framework.TestCase.assertTrue;
@@ -15,7 +15,7 @@
 import com.android.tools.r8.ToolHelper.DexVm.Version;
 import com.android.tools.r8.ToolHelper.ProcessResult;
 import com.android.tools.r8.cf.BootstrapCurrentEqualityTest;
-import com.android.tools.r8.desugar.corelib.CoreLibDesugarTestBase;
+import com.android.tools.r8.desugar.desugaredlibrary.CoreLibDesugarTestBase;
 import java.io.File;
 import java.nio.file.Path;
 import java.nio.file.Paths;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/shrinkingtests/EnumSetTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/shrinkingtests/EnumSetTest.java
similarity index 93%
rename from src/test/java/com/android/tools/r8/desugar/corelib/shrinkingtests/EnumSetTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/shrinkingtests/EnumSetTest.java
index db9206f..6ee2045 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/shrinkingtests/EnumSetTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/shrinkingtests/EnumSetTest.java
@@ -2,10 +2,10 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.shrinkingtests;
+package com.android.tools.r8.desugar.desugaredlibrary.shrinkingtests;
 
 import com.android.tools.r8.TestParameters;
-import com.android.tools.r8.desugar.corelib.CoreLibDesugarTestBase;
+import com.android.tools.r8.desugar.desugaredlibrary.CoreLibDesugarTestBase;
 import com.android.tools.r8.utils.BooleanUtils;
 import com.android.tools.r8.utils.StringUtils;
 import java.time.DayOfWeek;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/shrinkingtests/FieldAccessTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/shrinkingtests/FieldAccessTest.java
similarity index 92%
rename from src/test/java/com/android/tools/r8/desugar/corelib/shrinkingtests/FieldAccessTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/shrinkingtests/FieldAccessTest.java
index 29d1554..a0ad904 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/shrinkingtests/FieldAccessTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/shrinkingtests/FieldAccessTest.java
@@ -2,10 +2,10 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.shrinkingtests;
+package com.android.tools.r8.desugar.desugaredlibrary.shrinkingtests;
 
 import com.android.tools.r8.TestParameters;
-import com.android.tools.r8.desugar.corelib.CoreLibDesugarTestBase;
+import com.android.tools.r8.desugar.desugaredlibrary.CoreLibDesugarTestBase;
 import com.android.tools.r8.utils.BooleanUtils;
 import com.android.tools.r8.utils.StringUtils;
 import java.time.ZoneId;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/shrinkingtests/InheritanceTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/shrinkingtests/InheritanceTest.java
similarity index 93%
rename from src/test/java/com/android/tools/r8/desugar/corelib/shrinkingtests/InheritanceTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/shrinkingtests/InheritanceTest.java
index 24b6b6e..9d5f8e0 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/shrinkingtests/InheritanceTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/shrinkingtests/InheritanceTest.java
@@ -2,10 +2,10 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.shrinkingtests;
+package com.android.tools.r8.desugar.desugaredlibrary.shrinkingtests;
 
 import com.android.tools.r8.TestParameters;
-import com.android.tools.r8.desugar.corelib.CoreLibDesugarTestBase;
+import com.android.tools.r8.desugar.desugaredlibrary.CoreLibDesugarTestBase;
 import com.android.tools.r8.utils.BooleanUtils;
 import com.android.tools.r8.utils.StringUtils;
 import java.time.Clock;
diff --git a/src/test/java/com/android/tools/r8/desugar/corelib/shrinkingtests/KeepRuleShrinkTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/shrinkingtests/KeepRuleShrinkTest.java
similarity index 94%
rename from src/test/java/com/android/tools/r8/desugar/corelib/shrinkingtests/KeepRuleShrinkTest.java
rename to src/test/java/com/android/tools/r8/desugar/desugaredlibrary/shrinkingtests/KeepRuleShrinkTest.java
index b20abee..d289490 100644
--- a/src/test/java/com/android/tools/r8/desugar/corelib/shrinkingtests/KeepRuleShrinkTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/shrinkingtests/KeepRuleShrinkTest.java
@@ -2,11 +2,11 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-package com.android.tools.r8.desugar.corelib.shrinkingtests;
+package com.android.tools.r8.desugar.desugaredlibrary.shrinkingtests;
 
 import com.android.tools.r8.D8TestRunResult;
 import com.android.tools.r8.TestParameters;
-import com.android.tools.r8.desugar.corelib.CoreLibDesugarTestBase;
+import com.android.tools.r8.desugar.desugaredlibrary.CoreLibDesugarTestBase;
 import com.android.tools.r8.utils.BooleanUtils;
 import java.util.List;
 import java.util.Map;
diff --git a/tools/utils.py b/tools/utils.py
index 733d190..a795db0 100644
--- a/tools/utils.py
+++ b/tools/utils.py
@@ -66,7 +66,7 @@
       'tools',
       'r8',
       'desugar',
-      'corelib',
+      'desugaredlibrary',
       'desugar_jdk_libs.json')
 DESUGAR_CONFIGURATION_MAVEN_ZIP = os.path.join(
   LIBS, 'desugar_jdk_libs_configuration.zip')