tools/SharedTestUtilsOpen/src/test/javaclient/shared/AppLauncher.java

*** 53,62 ****
--- 53,63 ----
                  defaultLaunch(cl, args);
                  break;
              case SWING:
                  instantiateOnSwingQueue(cl, args);
                  break;
+             // https://bugs.openjdk.java.net/browse/JDK-8131888
              case SWT:
                  instantiateOnSWTQueue(cl, args);
                  break;
              case REMOTE:
                  launchOnRemoteStage(cl, args);
*** 103,112 ****
--- 104,114 ----
          } catch (Exception ex) {
              ex.printStackTrace();
          }
      }
  
+     // https://bugs.openjdk.java.net/browse/JDK-8131888
      private static void instantiateOnSWTQueue(final Class<? extends Interoperability> cl, String[] args) {
          try {
              Interoperability obj = cl.newInstance();
              obj.startSWT();
          } catch (Exception ex) {
*** 152,165 ****
                      } catch (Throwable ex) {
                          return null;
                      }
                      return Boolean.TRUE;
                  } else {
!                     Iterator<Window> it = Stage.impl_getWindows();
!                     while (it.hasNext()) {
! 
!                         if (it.next().isShowing()) {
                              return Boolean.TRUE;
                          }
                      }
                  }
  
--- 154,165 ----
                      } catch (Throwable ex) {
                          return null;
                      }
                      return Boolean.TRUE;
                  } else {
!                     for (Window w : Stage.getWindows()) {
!                         if (w.isShowing()) {
                              return Boolean.TRUE;
                          }
                      }
                  }