@Test
 public void testWorkDefinitionMatchWorkDefinitionString() {
   IAtsWorkDefinition workDef = new MockWorkDefinition("mine");
   WorkDefinitionMatch match = new WorkDefinitionMatch(workDef.getName(), "trace");
   match.setWorkDefinition(workDef);
   Assert.assertNotNull(match.getWorkDefinition());
   Assert.assertFalse(match.getTrace().isEmpty());
 }
 @Test
 public void testAddTrace() {
   WorkDefinitionMatch match = new WorkDefinitionMatch();
   Assert.assertTrue(match.getTrace().isEmpty());
   match.addTrace("trace 1");
   Assert.assertEquals("trace 1", match.getTrace().iterator().next());
   match.addTrace("trace 1");
   Assert.assertEquals(1, match.getTrace().size());
   Assert.assertEquals("trace 1", match.getTrace().iterator().next());
   match.addTrace("trace 2");
   Assert.assertEquals("trace 1", match.getTrace().iterator().next());
   Assert.assertEquals(2, match.getTrace().size());
 }
 @Test
 public void testWorkDefinitionMatch() {
   WorkDefinitionMatch match = new WorkDefinitionMatch();
   Assert.assertNull(match.getWorkDefinition());
   Assert.assertTrue(match.getTrace().isEmpty());
 }