Drop flushEventQueue from OpenResolutionLevelCommandTest

Synchronous active-pyramidal registration makes the EDT flush obsolete.

Author: stefanhahmann

ome-zarr-fiji-ui/src/test/java/ome/zarr/fijiui/plugin/OpenResolutionLevelCommandTest.java

@@ -241,28 +241,10 @@ private static OpenResolutionLevelCommand createCommand( final Context context )
 	private static void runCommand( final Context context, final Map< String, Object > inputs )
 			throws ExecutionException, InterruptedException
 	{
-		// A dataset opened in ImageJ becomes the active pyramidal only via the
-		// asynchronous AWT "activeWindow" event that PyramidalService listens for.
-		// Flush the event queue so that event is processed and the active pyramidal
-		// is resolved before the command's preprocessor injects it; otherwise the
-		// command cancels for lack of an active dataset (flaky under test load).
-		flushEventQueue();
 		CommandInfo info = context.getService( CommandService.class ).getCommand( OpenResolutionLevelCommand.class );
 		context.getService( ModuleService.class ).run( info, true, inputs ).get();
 	}
 
-	private static void flushEventQueue() throws InterruptedException
-	{
-		try
-		{
-			SwingUtilities.invokeAndWait( () -> {} );
-		}
-		catch ( InvocationTargetException e )
-		{
-			throw new IllegalStateException( e );
-		}
-	}
-
 	private static void closeWindows()
 	{
 		try