packageExplorerPart.setShowLibrariesNode(false);
	private void setUpView() throws PartInitException {		IWorkbench workbench= PlatformUI.getWorkbench();		assertNotNull(workbench);		IWorkbenchPage page= workbench.getActiveWorkbenchWindow().getActivePage();		assertNotNull(page);				IViewPart myPart= page.showView("org.eclipse.jdt.ui.PackageExplorer"); 		if (myPart instanceof PackageExplorerPart) {			PackageExplorerPart packageExplorerPart= (PackageExplorerPart) myPart;			fProvider= (ITreeContentProvider) packageExplorerPart.getTreeViewer().getContentProvider();			setFolding(false);		} else {			assertTrue("Unable to get view", false); 		}		assertNotNull(fProvider);	}