Fixing non-running tests, that used MockApplication environment

compiler/tests-common/tests/org/jetbrains/kotlin/test/testFramework/EdtTestUtil.kt

@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.test.testFramework
 
+import com.intellij.mock.MockApplication
 import com.intellij.openapi.application.ApplicationManager
 import org.jetbrains.annotations.TestOnly
 import java.lang.reflect.InvocationTargetException
@@ -41,6 +42,7 @@ fun runInEdtAndWait(runnable: () -> Unit) {
     else {
         try {
             val application = ApplicationManager.getApplication()
+                    .takeIf { it !is MockApplication } // because MockApplication do nothing instead of `invokeAndWait`
             if (application != null)
                 application.invokeAndWait(runnable)
             else

compiler/tests-common/tests/org/jetbrains/kotlin/test/testFramework/KtUsefulTestCase.java

@@ -52,6 +52,7 @@ import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Modifier;
 import java.util.*;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 @SuppressWarnings("UseOfSystemOutOrSystemErr")
 public abstract class KtUsefulTestCase extends TestCase {
@@ -217,9 +218,11 @@ public abstract class KtUsefulTestCase extends TestCase {
     protected void runTest() throws Throwable {
         Throwable[] throwables = new Throwable[1];
 
+        AtomicBoolean completed = new AtomicBoolean(false);
         Runnable runnable = () -> {
             try {
                 super.runTest();
+                completed.set(true);
             }
             catch (InvocationTargetException e) {
                 e.fillInStackTrace();
@@ -239,6 +242,9 @@ public abstract class KtUsefulTestCase extends TestCase {
         if (throwables[0] != null) {
             throw throwables[0];
         }
+        if (!completed.get()) {
+            throw new IllegalStateException("test didn't start");
+        }
     }
 
     private static void invokeTestRunnable(@NotNull Runnable runnable) throws Exception {