public void setUp() throws Exception {
ProjectRegistry registry = ProjectPlugin.getPlugin().getProjectRegistry();
List<Project> projects = registry.getProjects();
registry.getProjects().removeAll(projects);
EList list=registry.eResource().getResourceSet().getResources();
Set<Resource> toRemove=new HashSet<Resource>();
for (Iterator iter = list.iterator(); iter.hasNext();) {
Resource element = (Resource) iter.next();
if( element!=registry.eResource() ){
element.unload();