Bug 105034 [WorkbenchParts] IWorkbenchPage#hideView(IViewPart) does not always dispose of the view any more
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/packageview/ContentProviderTests4.java
fInternalRoot1.getPackageFragment("a.b");
		fC= fInternalRoot1.getPackageFragment("a.b.c");
		fD= fInternalRoot1.getPackageFragment("a.d");
		fY= fInternalRoot1.getPackageFragment("x.y");
		
		fYClassFile= fY.getClassFile("Y.class");
		fAClassFile= fA.getClassFile("A.class");
		
		
		fPack1= fRoot1.createPackageFragment("pack1", true, null);
		fPack2= fRoot1.createPackageFragment("pack2", true, null);
		fPack3= fRoot1.createPackageFragment("pack3",true,null);
		fPack4= fRoot1.createPackageFragment("pack3.pack4", true,null);
		fPack5= fRoot1.createPackageFragment("pack3.pack5",true,null);
		fPack6= fRoot1.createPackageFragment("pack3.pack5.pack6", true, null);
		
		fCU1= fPack2.createCompilationUnit("Object.java", "", true, null);
		fCU2= fPack6.createCompilationUnit("Object.java","", true, null);
		
		
		setUpMockView();
	}
	
	public void setUpMockView() throws Exception {
		fWorkbench = PlatformUI.getWorkbench();
		assertNotNull(fWorkbench);
		page = fWorkbench.getActiveWorkbenchWindow().getActivePage();
		assertNotNull(page);
		
		IViewPart myPart = new MockPluginView();