test/jdk/java/awt/Toolkit/RealSync/Test.java

*** 22,31 ****
--- 22,32 ----
   */
  
  /*
    @test
    @bug 6252005
+   @key headful
    @summary Tests that realSync feature works
    @author denis.mikhalkin: area=awt.toolkit
    @modules java.desktop/sun.awt
    @run main/timeout=6000 Test
  */
*** 148,158 ****
              for (Object e : events) {
                  System.err.println(e);
              }
          }
          errors.clear();
!         System.exit(1);
      }
  
      public static void asser(boolean value) {
          if (!value) {
              fail("Test failed");
--- 149,159 ----
              for (Object e : events) {
                  System.err.println(e);
              }
          }
          errors.clear();
!         throw new Error();
      }
  
      public static void asser(boolean value) {
          if (!value) {
              fail("Test failed");