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 testDeleteNS0WithChildStem() {    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 ns1    GrouperStem ns1 = GrouperStem.create(                         s, Constants.ns1s, Constants.ns1e                       );    // Delete ns0    try {      GrouperStem.delete(s, ns0);      Assert.fail("delete ns0 with child stem");    } catch (RuntimeException e) {      Assert.assertTrue("delete ns with child stem0", true);    }    s.stop();  }