java.lang.IncompatibleClassChangeError: testPackage.MainFreeActivity

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    • java.lang.IncompatibleClassChangeError: testPackage.MainFreeActivity at dalvik.system.DexFile.defineClassNative(Native Method) at dalvik.system.DexFile.defineClass(DexFile.java:226) at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:219) at dalvik.system.DexPathList.findClass(DexPathList.java:321) at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54) at java.lang.ClassLoader.loadClass(ClassLoader.java:511) at java.lang.ClassLoader.loadClass(ClassLoader.java:469) at libcore.reflect.InternalNames.getClass(InternalNames.java:53) at java.lang.Class.getDexCacheType(Class.java:479) at java.lang.reflect.ArtMethod.getDexCacheType(ArtMethod.java:191) at java.lang.reflect.ArtMethod.getReturnType(ArtMethod.java:145) at java.lang.reflect.Method.getReturnType(Method.java:184) at java.lang.Class.getDeclaredMethods(Class.java:771) at org.junit.internal.MethodSorter.getDeclaredMethods(MethodSorter.java:54) at org.junit.runners.model.TestClass.scanAnnotatedMembers(TestClass.java:65) at org.junit.runners.model.TestClass.<init>(TestClass.java:57) at org.junit.runners.ParentRunner.createTestClass(ParentRunner.java:88) at org.junit.runners.ParentRunner.<init>(ParentRunner.java:83) at org.junit.runners.BlockJUnit4ClassRunner.<init>(BlockJUnit4ClassRunner.java:65) at android.support.test.internal.runner.junit4.AndroidJUnit4ClassRunner.<init>(AndroidJUnit4ClassRunner.java:37) at android.support.test.runner.AndroidJUnit4.<init>(AndroidJUnit4.java:36) at java.lang.reflect.Constructor.newInstance(Native Method) at java.lang.reflect.Constructor.newInstance(Constructor.java:288) at android.support.test.internal.runner.junit4.AndroidAnnotatedBuilder.buildAndroidRunner(AndroidAnnotatedBuilder.java:83) at android.support.test.internal.runner.junit4.AndroidAnnotatedBuilder.runnerForClass(AndroidAnnotatedBuilder.java:62) at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59) at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26) at org.junit.runner.Computer.getRunner(Computer.java:40) at org.junit.runner.Computer$1.runnerForClass(Computer.java:31) at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59) at org.junit.runners.model.RunnerBuilder.runners(RunnerBuilder.java:101) at org.junit.runners.model.RunnerBuilder.runners(RunnerBuilder.java:87) at org.junit.runners.Suite.<init>(Suite.java:81) at org.junit.runner.Computer.getSuite(Computer.java:28) at android.support.test.internal.runner.TestRequestBuilder.classes(TestRequestBuilder.java:789) at android.support.test.internal.runner.TestRequestBuilder.build(TestRequestBuilder.java:753) at android.support.test.runner.AndroidJUnitRunner.buildRequest(AndroidJUnitRunner.java:354) at android.support.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:260) at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1853)

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