diff --git a/idea/tests/com/intellij/debugger/streams/kotlin/exec/KotlinEvaluationTestCase.kt b/idea/tests/com/intellij/debugger/streams/kotlin/exec/KotlinTraceEvaluationTestCase.kt
similarity index 95%
rename from idea/tests/com/intellij/debugger/streams/kotlin/exec/KotlinEvaluationTestCase.kt
rename to idea/tests/com/intellij/debugger/streams/kotlin/exec/KotlinTraceEvaluationTestCase.kt
index d5de9ff9c69..d1686527029 100644
--- a/idea/tests/com/intellij/debugger/streams/kotlin/exec/KotlinEvaluationTestCase.kt
+++ b/idea/tests/com/intellij/debugger/streams/kotlin/exec/KotlinTraceEvaluationTestCase.kt
@@ -21,7 +21,7 @@ import java.nio.file.Paths
 /**
  * @author Vitaliy.Bibaev
  */
-abstract class KotlinEvaluationTestCase : TraceExecutionTestCase() {
+abstract class KotlinTraceEvaluationTestCase : TraceExecutionTestCase() {
   private companion object {
     val STDLIB_JAR_NAME = "kotlin-stdlib.jar"
   }
@@ -49,7 +49,7 @@ abstract class KotlinEvaluationTestCase : TraceExecutionTestCase() {
     return KotlinOutputChecker(testAppPath, appOutputPath)
   }
 
-  override fun createLocalProcess(className: String?) {
+  override fun createLocalProcess(className: String) {
     super.createLocalProcess(className + "Kt")
   }
 
diff --git a/idea/tests/com/intellij/debugger/streams/kotlin/exec/java/JavaStreamTest.kt b/idea/tests/com/intellij/debugger/streams/kotlin/exec/java/JavaStreamTest.kt
index 28aa9f4f419..16b34e691bb 100644
--- a/idea/tests/com/intellij/debugger/streams/kotlin/exec/java/JavaStreamTest.kt
+++ b/idea/tests/com/intellij/debugger/streams/kotlin/exec/java/JavaStreamTest.kt
@@ -1,7 +1,7 @@
 // Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.debugger.streams.kotlin.exec.java
 
-import com.intellij.debugger.streams.kotlin.exec.KotlinEvaluationTestCase
+import com.intellij.debugger.streams.kotlin.exec.KotlinTraceEvaluationTestCase
 import com.intellij.debugger.streams.kotlin.lib.JavaStandardLibrarySupportProvider
 import com.intellij.debugger.streams.lib.LibrarySupportProvider
 
@@ -9,7 +9,7 @@ import com.intellij.debugger.streams.lib.LibrarySupportProvider
 /**
  * @author Vitaliy.Bibaev
  */
-class JavaStreamTest : KotlinEvaluationTestCase() {
+class JavaStreamTest : KotlinTraceEvaluationTestCase() {
   override val appName: String = "java"
   override val librarySupport: LibrarySupportProvider = JavaStandardLibrarySupportProvider()