[test framework] exception transparency in LightQuickFixTestCase

Restores diff view on org.junit.ComparisonFailure

java/testFramework/src/com/intellij/codeInsight/daemon/quickFix/LightQuickFixTestCase.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2018 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.codeInsight.daemon.quickFix;
 
 import com.intellij.codeInsight.daemon.LightDaemonAnalyzerTestCase;
@@ -34,11 +20,9 @@ import com.intellij.testFramework.fixtures.impl.CodeInsightTestFixtureImpl;
 import com.intellij.util.IncorrectOperationException;
 import com.intellij.util.ObjectUtils;
 import com.intellij.util.ui.UIUtil;
-import junit.framework.ComparisonFailure;
 import one.util.streamex.StreamEx;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
-import org.junit.Assert;
 
 import java.io.File;
 import java.util.List;
@@ -81,12 +65,11 @@ public abstract class LightQuickFixTestCase extends LightDaemonAnalyzerTestCase
           quickFixTestCase.afterActionCompleted(testName, contents);
         }
       }
-      catch (ComparisonFailure e) {
+      catch (RuntimeException | Error e) {
         throw e;
       }
       catch (Throwable e) {
-        e.printStackTrace();
-        Assert.fail(testName + " failed");
+        throw new AssertionError(testName + " failed", e);
       }
     }, "", "");
   }