Disable Files reference test on windows

Fix red bots

Change-Id: Ica07261b7d202bc64515c72c638ee24ff4a1644e
diff --git a/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/jdk11/FilesMoveCopyTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/jdk11/FilesMoveCopyTest.java
index 18d4516..e6eeff2 100644
--- a/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/jdk11/FilesMoveCopyTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/jdk11/FilesMoveCopyTest.java
@@ -15,6 +15,7 @@
 
 import com.android.tools.r8.TestParameters;
 import com.android.tools.r8.TestRuntime.CfVm;
+import com.android.tools.r8.ToolHelper;
 import com.android.tools.r8.ToolHelper.DexVm.Version;
 import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase;
 import com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification;
@@ -142,7 +143,7 @@
     if (parameters.isCfRuntime()) {
       // Reference runtime, we use Jdk 11 since this is Jdk 11 desugared library, not that Jdk 8
       // behaves differently on this test.
-      Assume.assumeTrue(parameters.isCfRuntime(CfVm.JDK11));
+      Assume.assumeTrue(parameters.isCfRuntime(CfVm.JDK11) && !ToolHelper.isWindows());
       testForJvm()
           .addInnerClasses(getClass())
           .run(parameters.getRuntime(), TestClass.class)