Add prefix for inner test classes

idea/performanceTests/test/org/jetbrains/kotlin/idea/perf/AbstractPerformanceCompletionHandlerTests.kt

@@ -114,7 +114,7 @@ abstract class AbstractPerformanceCompletionHandlerTests(
         completionChars: String
     ) {
         performanceTest<Unit, Unit> {
-            name(getTestName(false))
+            name(testName())
             stats(stats())
             setUp {
                 setUpFixture(testPath)
@@ -130,6 +130,16 @@ abstract class AbstractPerformanceCompletionHandlerTests(
         }
     }
 
+    private fun testName(): String {
+        val javaClass = this.javaClass
+        val testName = getTestName(false)
+        return if (javaClass.isMemberClass) {
+            "${javaClass.simpleName} - $testName"
+        } else {
+            testName
+        }
+    }
+
     private fun perfTestCore(
         completionType: CompletionType,
         time: Int,

idea/performanceTests/test/org/jetbrains/kotlin/idea/perf/AbstractPerformanceHighlightingTest.kt

@@ -56,8 +56,18 @@ abstract class AbstractPerformanceHighlightingTest : KotlinLightCodeInsightFixtu
         }
     }
 
-    protected fun doPerfTest(unused: String) {
+    private fun testName(): String {
+        val javaClass = this.javaClass
         val testName = getTestName(false)
+        return if (javaClass.isMemberClass) {
+            "${javaClass.simpleName} - $testName"
+        } else {
+            testName
+        }
+    }
+
+    protected fun doPerfTest(unused: String) {
+        val testName = testName()
         innerPerfTest(testName) {
             myFixture.configureByFile(fileName())