Bug 305389 EclipsePartService: Add getInputParts(String inputUri): Collection
Add support for the new InputPart-Type with Input-URI
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/application/EPartServiceTest.java
MApplication application = createApplication("partFront", "partBack");
		MWindow window = application.getChildren().get(0);
		MPartStack partStack = (MPartStack) window.getChildren().get(0);
		MPart partFront = partStack.getChildren().get(0);
		partStack.setSelectedElement(partFront);
		getEngine().createGui(window);
		EPartService partService = (EPartService) window.getContext().get(
				EPartService.class.getName());
		partService.bringToTop(partFront);
		assertEquals(partStack.getSelectedElement(), partFront);
	}
	public void testBringToTop_PartOnTop_myService() {
		MApplication application = createApplication("partFront", "partBack");
		MWindow window = application.getChildren().get(0);
		MPartStack partStack = (MPartStack) window.getChildren().get(0);
		MPart partFront = partStack.getChildren().get(0);
		partStack.setSelectedElement(partFront);
		getEngine().createGui(window);
		EPartService partService = (EPartService) partFront.getContext().get(
				EPartService.class.getName());
		partService.bringToTop(partFront);
		assertEquals(partStack.getSelectedElement(), partFront);
	}
	public void testBringToTop_PartNotOnTop() {
		MApplication application = createApplication("partFront", "partBack");
		MWindow window = application.getChildren().get(0);
		MPartStack partStack = (MPartStack) window.getChildren().get(0);
		MPart partFront = partStack.getChildren().get(0);
		MPart partBack = partStack.getChildren().get(1);
		partStack.setSelectedElement(partFront);