@Before
public void setUp() throws Exception
{
modelA = new MockModel();
elementA = new MockElement();
elementB = new MockElement();
elementC = new MockElement();
elementD = new MockElement();
elementE = new MockElement();
elementF = new MockElement();
elementG = new MockElement();
associationAA = new Association(elementA, elementA);
associationAB = new Association(elementA, elementB);
associationAC = new Association(elementA, elementC);
associationBA = new Association(elementB, elementA);