Bug 287103 [CommonNavigator] contentServiceLabelProvider doesn't properly implement overrides
tests/org.eclipse.ui.tests.navigator/src/org/eclipse/ui/tests/navigator/NavigatorTestBase.java
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.TreeItem;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.ActionContext;
import org.eclipse.ui.internal.navigator.NavigatorFilterService;
import org.eclipse.ui.navigator.CommonNavigator;
import org.eclipse.ui.navigator.CommonViewer;
import org.eclipse.ui.navigator.INavigatorContentService;
import org.eclipse.ui.navigator.NavigatorActionService;
import org.eclipse.ui.tests.harness.util.DisplayHelper;
import org.eclipse.ui.tests.harness.util.EditorTestHelper;
import org.eclipse.ui.tests.navigator.extension.TestContentProvider;
import org.eclipse.ui.tests.navigator.extension.TestSorterData;
import org.eclipse.ui.tests.navigator.extension.TestDragAssistant;
import org.eclipse.ui.tests.navigator.extension.TestLabelProvider;
import org.eclipse.ui.tests.navigator.extension.TestContentProviderResource;
import org.eclipse.ui.tests.navigator.extension.TestSorterResource;
import org.eclipse.ui.tests.navigator.util.TestWorkspace;
public class NavigatorTestBase extends TestCase {
	public static final String COMMON_NAVIGATOR_RESOURCE_EXT = "org.eclipse.ui.navigator.resourceContent";
	public static final String COMMON_NAVIGATOR_JAVA_EXT = "org.eclipse.jdt.java.ui.javaContent";
	
	public static final String TEST_VIEWER = "org.eclipse.ui.tests.navigator.TestView";
	public static final String TEST_VIEWER_PROGRAMMATIC = "org.eclipse.ui.tests.navigator.ProgrammaticTestView";
	public static final String TEST_VIEWER_PIPELINE = "org.eclipse.ui.tests.navigator.PipelineTestView";
	public static final String TEST_VIEWER_HIDE_EXTENSIONS = "org.eclipse.ui.tests.navigator.HideAvailableExtensionsTestView";