Fix bad import in test

Change-Id: I86db1bb1f47648b64cae7dc819a7ef9f18b56d10
diff --git a/src/test/java/com/android/tools/r8/optimize/argumentpropagation/ArgumentPropagationMultipleInterfacesSameMethodTest.java b/src/test/java/com/android/tools/r8/optimize/argumentpropagation/ArgumentPropagationMultipleInterfacesSameMethodTest.java
index fe10b7d..b38b518 100644
--- a/src/test/java/com/android/tools/r8/optimize/argumentpropagation/ArgumentPropagationMultipleInterfacesSameMethodTest.java
+++ b/src/test/java/com/android/tools/r8/optimize/argumentpropagation/ArgumentPropagationMultipleInterfacesSameMethodTest.java
@@ -3,7 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 package com.android.tools.r8.optimize.argumentpropagation;
 
-import static org.gradle.internal.impldep.junit.framework.TestCase.assertTrue;
+import static org.junit.Assert.assertTrue;
 
 import com.android.tools.r8.NoHorizontalClassMerging;
 import com.android.tools.r8.NoVerticalClassMerging;