private ExporterGEXF exporter;
@Before
public void setUp() {
ProjectController projectController = Lookup.getDefault().lookup(ProjectController.class);
projectController.newProject();
Workspace workspace = projectController.getCurrentWorkspace();
AttributeController attributeController = Lookup.getDefault().lookup(AttributeController.class);
AttributeModel attributeModel = attributeController.getModel();
GraphController graphController = Lookup.getDefault().lookup(GraphController.class);
GraphModel graphModel = graphController.getModel();