Bug 305796 model reconciler tests need rework
They need re-work as there is a level of indirection between a binding container and the bindings. PW
bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/application/impl/PartImpl.java
switch (featureID) {
			case MApplicationPackage.PART__CONTEXT:
				setContext(CONTEXT_EDEFAULT);
				return;
			case MApplicationPackage.PART__VARIABLES:
				getVariables().clear();
				return;
			case MApplicationPackage.PART__PROPERTIES:
				getProperties().clear();
				return;
			case MApplicationPackage.PART__WIDGET:
				setWidget(WIDGET_EDEFAULT);
				return;
			case MApplicationPackage.PART__RENDERER:
				setRenderer(RENDERER_EDEFAULT);
				return;
			case MApplicationPackage.PART__TO_BE_RENDERED:
				setToBeRendered(TO_BE_RENDERED_EDEFAULT);
				return;
			case MApplicationPackage.PART__ON_TOP:
				setOnTop(ON_TOP_EDEFAULT);
				return;
			case MApplicationPackage.PART__VISIBLE:
				setVisible(VISIBLE_EDEFAULT);
				return;
			case MApplicationPackage.PART__PARENT:
				setParent((MElementContainer<MUIElement>)null);
				return;
			case MApplicationPackage.PART__CONTAINER_DATA:
				setContainerData(CONTAINER_DATA_EDEFAULT);