Bug 263927 SWTEventHelper drag/drop broken
The last change removed the Display.map() call.
tests/org.eclipse.ui.tests.harness/src/org/eclipse/ui/tests/harness/util/SWTEventHelper.java
while (!_dragDetected && ++count < 4) {
			performDnDInternal(boundsStart, boundsEnd);
			if (!_dragDetected) {
				if (count < 4)
					System.out.println("WARNING: DnD failed - drag gesture not detected retrying");
				DisplayHelper.sleep(Display.getCurrent(), 1000);
			}
		}
		if (!_dragDetected) {
			System.out
					.println("WARNING: DnD FAILED after " + count + " tries, giving up");
		}
		return _dragDetected;
	}
	public static void performDnDInternal(Rectangle boundsStart,
			Rectangle boundsEnd) {
		int fudge = 0;
		int gestureSize = 10;
		int xstart = boundsStart.x + fudge;
		int ystart = boundsStart.y + fudge;
		int xend = boundsEnd.x + fudge;
		int yend = boundsEnd.y + fudge;
		boolean possibleTrue = true;
		if (Platform.getOS().equals(Platform.OS_WIN32)) {
			possibleTrue = false;
			gestureSize = 3;
		}
		SWTEventHelper.mouseMoveEvent(Display.getCurrent(), xstart, ystart,
				false);