ts.addTest(new PersistenceTest("testCrossResourceContainment_RemoveChild"));
  public static Test suite()  {    TestSuite ts = new TestSuite("PersistenceTest");    ts.addTest(new PersistenceTest("testOneZipFile"));    ts.addTest(new PersistenceTest("testOneTextFile"));    ts.addTest(new PersistenceTest("testOneTextAndOneZipFiles"));    ts.addTest(new PersistenceTest("testTwoZipFiles"));    ts.addTest(new PersistenceTest("testTwoTextFiles"));    ts.addTest(new PersistenceTest("testEDataType"));    ts.addTest(new PersistenceTest("testCrossResourceContainment_XMLResourceUUID"));    ts.addTest(new PersistenceTest("testCrossResourceContainment_Dynamic_ResourceSet"));    ts.addTest(new PersistenceTest("testCrossResourceContainment_Static_ResourceSet"));    return ts;  }