Bug 338707 Reconciler chokes on elements under parents that have been removed from the model
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/reconciler/ModelReconcilerScenarioTest.java
part = (MPart) window.getChildren().get(0);
		part.setLabel("name2");
		window.getChildren().add(part);
		Collection<ModelDelta> deltas = constructDeltas(application,
				serializedState);
		assertTrue(part.isToBeRendered());
		assertEquals("name2", part.getLabel());
		applyAll(deltas);
		assertFalse(part.isToBeRendered());
		
		assertEquals("name2", part.getLabel());
	}
	public void testPart_Addition_PlacedAfterHiddenPart_UserWins() {
		MApplication application = createApplication();
		MWindow window = createWindow(application);
		MPart partA = BasicFactoryImpl.eINSTANCE.createPart();
		partA.setToBeRendered(true);
		MPart partB = BasicFactoryImpl.eINSTANCE.createPart();
		partB.setToBeRendered(true);
		MPart partD = BasicFactoryImpl.eINSTANCE.createPart();
		partD.setToBeRendered(true);
		window.getChildren().add(partA);
		window.getChildren().add(partB);
		window.getChildren().add(partD);
		saveModel();
		ModelReconciler reconciler = createModelReconciler();
		reconciler.recordChanges(application);
		partB.setToBeRendered(false);
		Object serializedState = reconciler.serialize();
		application = createApplication();