Bug 328339 Part activation history seems to ignore detached windows
1. Detach a view. 2. Drag another view into said detached window. 3. Activate the two views alternatively. 4. Close one of them. 5. A part in the workbench window is activated instead of the other view in the detached window.
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/application/EPartServiceTest.java
getEngine().createGui(window);
		EPartService partService = (EPartService) window.getContext().get(
				EPartService.class.getName());
		partService.hidePart(partB, force);
	}
	public void testHidePart_Bug325148_Unrendered_True() {
		testHidePart_Bug325148_Unrendered(true);
	}
	public void testHidePart_Bug325148_Unrendered_False() {
		testHidePart_Bug325148_Unrendered(false);
	}
	public void testHidePart_Bug327026() {
		MApplication application = ApplicationFactoryImpl.eINSTANCE
				.createApplication();
		MWindow window = BasicFactoryImpl.eINSTANCE.createWindow();
		application.getChildren().add(window);
		application.setSelectedElement(window);
		MPartStack stack = BasicFactoryImpl.eINSTANCE.createPartStack();
		window.getChildren().add(stack);
		window.setSelectedElement(stack);
		MPart partA = BasicFactoryImpl.eINSTANCE.createPart();
		stack.getChildren().add(partA);
		stack.setSelectedElement(partA);
		MPart partB = BasicFactoryImpl.eINSTANCE.createPart();
		partB.setToBeRendered(false);
		stack.getChildren().add(partB);
		initialize(applicationContext, application);
		getEngine().createGui(window);
		window.getContext().get(EPartService.class).hidePart(partA, true);