@Test
 public void testCorrectPersistenceUnitInjectedFromPersistenceUnitRef2() throws NamingException {
   PcManagedBean bean = getManagedBean();
   bean.getOtherpc().getMetamodel().entity(PcOtherEntity.class);
 }
 @Test(expected = IllegalArgumentException.class)
 public void testCorrectPersistenceUnitInjectedFromPersistenceUnitRef() throws NamingException {
   PcManagedBean bean = getManagedBean();
   bean.getOtherpc().getMetamodel().entity(PcMyEntity.class);
 }