Bug 117965 [DataBinding] Change tests plugin to pre-req examples
This will allow the UI tests in examples to make use of the pojo model
tests/org.eclipse.jface.tests.databinding/src/org/eclipse/jface/tests/databinding/scenarios/TreeScenarios.java
import org.eclipse.jface.tests.databinding.scenarios.model.Category;
import org.eclipse.jface.tests.databinding.scenarios.model.Lodging;
import org.eclipse.jface.tests.databinding.scenarios.model.SampleData;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;
import org.eclipse.swt.widgets.TreeItem;
 
public class TreeScenarios extends ScenariosTestCase {
	
	Tree tree=null;
	TreeViewer tviewer = null;
	TreeColumn firstCol = null;
	TreeColumn secondCol = null;
	
	
	Catalog catalog = null;	
	ITree   catalogModelTree = null;
	ITree   directoryModelTree = null;	
	
	
	protected void setUp() throws Exception {
		super.setUp();
		getComposite().setLayout(new FillLayout());
		tree = new Tree(getComposite(), SWT.NONE);
		firstCol = new TreeColumn(tree, SWT.NONE);
		firstCol.setWidth(100);