cat.getLinkTypes().add(t1);
t1.getRefinement().add(t2);
assertEquals("Result", 2, accessLayer.getElements(project, t1.eClass()).size());
assertEquals("Result", 1, accessLayer.getElements(project, cat.eClass()).size());
assertEquals(0, accessLayer.getElements(null, cat.eClass()).size());
}
@Test
public void testGetElementsProjectString()