Add Batik thread to wellKnownOffenders

platform/testFramework/src/com/intellij/testFramework/ThreadTracker.java

@@ -100,6 +100,7 @@ public class ThreadTracker {
     wellKnownOffenders.add("VM Periodic Task Thread");
     wellKnownOffenders.add("VM Thread");
     wellKnownOffenders.add("YJPAgent-Telemetry");
+    wellKnownOffenders.add("Batik CleanerThread");
 
     Application application = ApplicationManager.getApplication();
     // LeakHunter might be accessed first time after Application is already disposed (during test framework shutdown).    

platform/testFramework/src/com/intellij/testFramework/UsefulTestCase.java

@@ -80,8 +80,6 @@ public abstract class UsefulTestCase extends TestCase {
   static {
     IdeaForkJoinWorkerThreadFactory.setupPoisonFactory();
     Logger.setFactory(TestLoggerFactory.class);
-    // avoid thread leak reported
-    SVGLoader.loadBatikInternalObscureHackEternalReferenceCollectingThread();
   }
   protected static final Logger LOG = Logger.getInstance(UsefulTestCase.class);
 

platform/util/src/com/intellij/util/SVGLoader.java

@@ -61,10 +61,6 @@ public class SVGLoader {
   private final Size size;
   private BufferedImage img;
 
-  public static void loadBatikInternalObscureHackEternalReferenceCollectingThread() {
-    CleanerThread.getReferenceQueue();
-  }
-
   private static class Size {
     final float width;
     final float height;