T.string("error message", CompositeValidator.ERR_R, eM.getMessage());
T.string("error message", E.COMP_R, eM.getMessage());
  public void testFailNullRight() {    LOG.info("testFailNullRight");    try {      R r = R.populateRegistry(1, 2, 0);      Composite c = new Composite(r.rs, r.ns, r.getGroup("a", "a"), null, null);      r.rs.stop();      Assert.fail("created composite with null right");    }    catch (ModelException eM) {      Assert.assertTrue("OK: did not create composite with null right", true);      T.string("error message", CompositeValidator.ERR_R, eM.getMessage());    }    catch (Exception e) {      Assert.fail("unexpected exception: " + e.getMessage());    }  } // public void testFailNullRight()