Get rid of redundant UsefulTestCase

generators/tests/org/jetbrains/kotlin/generators/arguments/GenerateKotlinGradleOptionsTest.kt

@@ -17,11 +17,14 @@
 package org.jetbrains.kotlin.generators.arguments.test
 
 import com.intellij.testFramework.UsefulTestCase
+import junit.framework.TestCase
 import org.jetbrains.kotlin.generators.arguments.generateKotlinGradleOptions
 import org.jetbrains.kotlin.utils.Printer
-import java.io.*
+import java.io.ByteArrayOutputStream
+import java.io.File
+import java.io.PrintStream
 
-class GenerateKotlinGradleOptionsTest : UsefulTestCase() {
+class GenerateKotlinGradleOptionsTest : TestCase() {
     fun testKotlinGradleOptionsAreUpToDate() {
         fun getPrinter(file: File, fn: Printer.()->Unit) {
             val bytesOut = ByteArrayOutputStream()

generators/tests/org/jetbrains/kotlin/generators/builtins/GenerateBuiltInsTest.kt

@@ -16,15 +16,15 @@
 
 package org.jetbrains.kotlin.generators.builtins.test
 
-import java.io.PrintWriter
-import org.jetbrains.kotlin.generators.builtins.generateBuiltIns.generateBuiltIns
-import java.io.StringWriter
-import com.intellij.openapi.util.text.StringUtil
 import com.intellij.openapi.util.io.FileUtil
+import com.intellij.openapi.util.text.StringUtil
+import junit.framework.TestCase
+import org.jetbrains.kotlin.generators.builtins.generateBuiltIns.generateBuiltIns
 import org.junit.Assert
-import com.intellij.testFramework.UsefulTestCase
+import java.io.PrintWriter
+import java.io.StringWriter
 
-class GenerateBuiltInsTest : UsefulTestCase() {
+class GenerateBuiltInsTest : TestCase() {
     fun testBuiltInsAreUpToDate() {
         generateBuiltIns { file, generator ->
             val sw = StringWriter()

generators/tests/org/jetbrains/kotlin/generators/evaluate/GenerateOperationsMapTest.kt

@@ -16,12 +16,12 @@
 
 package org.jetbrains.kotlin.generators.test.evaluate
 
-import com.intellij.testFramework.UsefulTestCase
+import junit.framework.TestCase
 import org.jetbrains.kotlin.generators.evaluate.DEST_FILE
 import org.jetbrains.kotlin.generators.evaluate.generate
 import org.jetbrains.kotlin.test.KotlinTestUtils
 
-class GenerateOperationsMapTest : UsefulTestCase() {
+class GenerateOperationsMapTest : TestCase() {
     fun testGeneratedDataIsUpToDate(): Unit {
         val text = generate()
         KotlinTestUtils.assertEqualsToFile(DEST_FILE, text)

generators/tests/org/jetbrains/kotlin/generators/protobuf/ProtoBufCompareConsistencyTest.kt

@@ -17,11 +17,11 @@
 package org.jetbrains.kotlin.generators.protobuf
 
 import com.intellij.openapi.util.io.FileUtil
-import com.intellij.testFramework.UsefulTestCase
+import junit.framework.TestCase
 import org.jetbrains.kotlin.test.KotlinTestUtils
 import java.io.File
 
-class ProtoBufCompareConsistencyTest : UsefulTestCase() {
+class ProtoBufCompareConsistencyTest : TestCase() {
     fun testAlreadyGenerated() {
         val testDir = KotlinTestUtils.tmpDir("testDirectory")
         val newFile = File(testDir, "ProtoCompareGenerated.kt")

idea/tests/org/jetbrains/kotlin/idea/editor/TemplateTokenSequenceTest.kt

@@ -5,12 +5,12 @@
 
 package org.jetbrains.kotlin.idea.editor
 
-import com.intellij.testFramework.UsefulTestCase
+import junit.framework.TestCase
 import org.junit.Assert
 
 
-class TemplateTokenSequenceTest:UsefulTestCase() {
-    fun doTest(input: String, expected:String) {
+class TemplateTokenSequenceTest : TestCase() {
+    fun doTest(input: String, expected: String) {
         val output = createTemplateSequenceTokenString(input)
         Assert.assertEquals("Unexpected template sequence output for $input: " , expected, output)
     }

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

@@ -5,9 +5,9 @@
 
 package org.jetbrains.kotlin.jps.build
 
-import com.intellij.testFramework.UsefulTestCase
+import junit.framework.TestCase
 
-class JoinToReadableStringTest : UsefulTestCase() {
+class JoinToReadableStringTest : TestCase() {
     fun test0() {
         assertEquals(
             "",