Bug 266769 [CommonNavigator] Reorg test identifiers
tests/org.eclipse.ui.tests.navigator/src/org/eclipse/ui/tests/navigator/ActivityTest.java
public ActivityTest() {
		_navigatorInstanceId = TEST_VIEWER;
	}
	protected static final String ACTIVITY = "org.eclipse.ui.tests.navigator.testActivity";
	private static final boolean DEBUG = false;
	protected boolean verifyMenu(IStructuredSelection sel, String item) {
		MenuManager mm = new MenuManager();
		_actionService.setContext(new ActionContext(sel));
		_actionService.fillContextMenu(mm);
		IContributionItem[] items = mm.getItems();
		MenuManager newMm = (MenuManager) items[1];
		items = newMm.getItems();
		
		for (int i = 0; i < items.length; i++) {
			if (items[i] instanceof ActionContributionItem) {