Bug 217801 [CommonNavigator] Capability filtering of commonWizard extensions uses wrong identifier
tests/org.eclipse.ui.tests.navigator/src/org/eclipse/ui/tests/navigator/OpenTest.java
private Set expectedChildren = new HashSet();
	private IProject project;
	private CommonViewer viewer;
	private INavigatorContentService contentService;
	protected void setUp() throws Exception {
		TestWorkspace.init();
		IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
		project = root.getProject("Test"); 
		expectedChildren.add(project.getFolder("src")); 
		expectedChildren.add(project.getFolder("bin")); 
		expectedChildren.add(project.getFile(".project")); 
		expectedChildren.add(project.getFile(".classpath"));  
		expectedChildren.add(project.getFile("model.properties")); 
		
		EditorTestHelper.showView(COMMON_NAVIGATOR_INSTANCE_ID, true);
		IWorkbenchWindow activeWindow = PlatformUI.getWorkbench()
				.getActiveWorkbenchWindow();
		IWorkbenchPage activePage = activeWindow.getActivePage();
		IViewPart commonNavigator = activePage
				.findView(COMMON_NAVIGATOR_INSTANCE_ID);
		commonNavigator.setFocus();
		viewer = (CommonViewer) commonNavigator
						.getAdapter(CommonViewer.class);
		contentService = viewer
						.getNavigatorContentService(); 
		IUndoableOperation updateFilters = new UpdateActiveFiltersOperation(viewer, new String[0], true);
		updateFilters.execute(null, null);
 
	}
	public void testNavigatorRootContents() throws Exception {