Subject subj = SubjectFactory.getSubject(Constants.rootI, Constants.rootT);
Subject subj = null; try { subj = SubjectFactory.getSubject(Constants.rootI, Constants.rootT); } catch (SubjectNotFoundException e1) {  e1.printStackTrace(); }
  public void testDeleteNS0WithChildGroup() {    Subject subj = SubjectFactory.getSubject(Constants.rootI, Constants.rootT);    GrouperSession s = GrouperSession.start(subj);    // Create ns0    GrouperStem ns0 = GrouperStem.create(                         s, Constants.ns0s, Constants.ns0e                       );    // Create g0    GrouperGroup g0 = GrouperGroup.create(                         s, Constants.g0s, Constants.g0e                       );    // Delete ns0    try {      GrouperStem.delete(s, ns0);      Assert.fail("delete ns0 with child group");    } catch (RuntimeException e) {      Assert.assertTrue("delete ns with child group", true);    }    s.stop();  }