Rename: Implement automatic renamer for test classes

#KT-8512 Fixed

idea/testData/refactoring/rename/automaticRenamerKotlinTestClass/after/test/JBazBarNewFooTest.java

@@ -0,0 +1,10 @@
+package test;
+
+import org.junit.Test;
+
+public class JBazBarNewFooTest {
+    @Test
+    void testFoo() {
+
+    }
+}

idea/testData/refactoring/rename/automaticRenamerKotlinTestClass/after/test/JFooBarNewBazTestCase.java

@@ -0,0 +1,7 @@
+package test;
+
+import junit.framework.TestCase;
+
+public class JFooBarNewBazTestCase extends TestCase {
+
+}

idea/testData/refactoring/rename/automaticRenamerKotlinTestClass/after/test/test.kt

@@ -0,0 +1,16 @@
+package test
+
+import junit.framework.TestCase
+import org.junit.Test
+
+class BarNew {
+
+}
+
+class FooBarNewBazTestCase : TestCase() {
+
+}
+
+class BazBarNewFooTest {
+    @Test fun testFoo() {}
+}

idea/testData/refactoring/rename/automaticRenamerKotlinTestClass/automaticRenamerKotlinTestClass.test

@@ -0,0 +1,7 @@
+{
+  "type": "MARKED_ELEMENT",
+  "mainFile": "test/test.kt",
+  "newName": "BarNew",
+  "withRuntime": "true",
+  "libraries": ["JUnit@lib/junit-4.12.jar"]
+}

idea/testData/refactoring/rename/automaticRenamerKotlinTestClass/before/test/JBazBarFooTest.java

@@ -0,0 +1,10 @@
+package test;
+
+import org.junit.Test;
+
+public class JBazBarFooTest {
+    @Test
+    void testFoo() {
+
+    }
+}

idea/testData/refactoring/rename/automaticRenamerKotlinTestClass/before/test/JFooBarBazTestCase.java

@@ -0,0 +1,7 @@
+package test;
+
+import junit.framework.TestCase;
+
+public class JFooBarBazTestCase extends TestCase {
+
+}

idea/testData/refactoring/rename/automaticRenamerKotlinTestClass/before/test/test.kt

@@ -0,0 +1,16 @@
+package test
+
+import junit.framework.TestCase
+import org.junit.Test
+
+class /*rename*/Bar {
+
+}
+
+class FooBarBazTestCase : TestCase() {
+
+}
+
+class BazBarFooTest {
+    @Test fun testFoo() {}
+}