Revert "Fix org.jetbrains.kotlin.jps.build.KotlinJpsBuildTest#testSourcePackageLongPrefix"

This reverts commit e3634c16

jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/RelocatableJpsCachesTest.kt

@@ -55,20 +55,15 @@ class RelocatableJpsCachesTest : BaseKotlinJpsBuildTestCase() {
         assertEqualDirectories(test1KotlinCachesDir, test2KotlinCachesDir, forgiveExtraFiles = false)
     }
 
-    private class RelocatableCacheTestCaseIml(
-        private val testName: String,
-        projectWorkingDir: File,
-        dirToCopyKotlinCaches: File
-    ) : RelocatableCacheTestCase(projectWorkingDir, dirToCopyKotlinCaches) {
-        override fun getName() = testName
-    }
-
     private fun runTestAndCopyKotlinCaches(
         projectWorkingDir: File,
         dirToCopyKotlinCaches: File,
         testMethod: KFunction1<RelocatableCacheTestCase, Unit>
     ) {
-        val testCase = RelocatableCacheTestCaseIml(testMethod.name, projectWorkingDir, dirToCopyKotlinCaches)
+        val testCase = object : RelocatableCacheTestCase(projectWorkingDir, dirToCopyKotlinCaches) {
+            override fun getName() = testMethod.name
+        }
+
         testCase.exposedPrivateApi.setUp()
 
         try {

jps/jps-plugin/testData/general/SourcePackageLongPrefix/kotlinProject.ipr

@@ -22,7 +22,7 @@
       <module fileurl="file://$PROJECT_DIR$/module2/module2.iml" filepath="$PROJECT_DIR$/module2/module2.iml" />
     </modules>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_6" assert-keyword="true" jdk-15="true" project-jdk-name="IDEA_JDK" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="IDEA_JDK" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
   <component name="VcsDirectoryMappings">