Bug 299340 [CommonNavigator] Enable new CNF tests
Enable the contributed CNF tests, make minor test improvements.
tests/org.eclipse.ui.tests.navigator/src/org/eclipse/ui/tests/navigator/PipelineChainTest.java
_testPipelinedChildren();
	}
	
	private void _testPipelinedChildren() throws CoreException {
		final String NEW_FOLDER = "newFolder_" + System.currentTimeMillis();
		IFolder newFolder = _p1.getFolder(NEW_FOLDER);
		
		TestPipelineProvider.reset();
		newFolder.create(true, true, new NullProgressMonitor());
		TreeItem[] rootItems = _viewer.getTree().getItems();
		_expand(rootItems);
		_viewer.refresh(rootItems[_p1Ind]);
		
		assertEquals("Wrong query sequence for getPipelineChildren", "CGFBDE", 
				TestPipelineProvider.CHILDREN.get(_p1));
	}
	
	
	public void testInterceptAdd() throws CoreException
	{
		_initContent();
		_testInterceptAdd();
	}
	
	
	public void testInterceptAddWithLabel() throws CoreException
	{
		_initContentWithLabel();
		_testInterceptAdd();
	}