Bug 299326 [CommonNavigator] Add new test for CNF pipelining
tests/org.eclipse.ui.tests.navigator/src/org/eclipse/ui/tests/navigator/NavigatorTestBase.java
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";
	public static final String TEST_VIEWER_INHERITED = "org.eclipse.ui.tests.navigator.InheritedTestView";
	public static final String TEST_VIEWER_NON_COMMONVIEWER = "org.eclipse.ui.tests.navigator.NonCommonViewerTestViewer";	
	public static final String TEST_VIEW_NON_COMMONVIEWER = "org.eclipse.ui.tests.navigator.NonCommonViewerTestView";
	
	public static final String TEST_CONTENT = "org.eclipse.ui.tests.navigator.testContent";
	public static final String TEST_CONTENT2 = "org.eclipse.ui.tests.navigator.testContent2";	
	public static final String TEST_CONTENT_OVERRIDDEN1 = "org.eclipse.ui.tests.navigator.testContentOverridden1";
	public static final String TEST_CONTENT_OVERRIDDEN2 = "org.eclipse.ui.tests.navigator.testContentOverridden2";
	public static final String TEST_CONTENT_OVERRIDE1 = "org.eclipse.ui.tests.navigator.testContentOverride1";
	public static final String TEST_CONTENT_OVERRIDE2 = "org.eclipse.ui.tests.navigator.testContentOverride2";
	public static final String TEST_CONTENT_OVERRIDE2_BLANK = "org.eclipse.ui.tests.navigator.testContentOverride2Blank";
	public static final String TEST_CONTENT_PIPELINED = "org.eclipse.ui.tests.navigator.testContentPipelined";