Program: 176100
Project: 176100
Buggy source:
@Test public void test(){
  PhoneDirectory phone=new PhoneDirectory();
  PersonalDetailEmbedded detail=new PersonalDetailEmbedded();
  detail.setPhoneNo(12456);
  detail.setEmailId("String_Node_Str");
  detail.setAddress("String_Node_Str");
  detail.setPhone(phone);
  PersonnelEmbedded personnel=new PersonnelEmbedded();
  personnel.setId(1);
  personnel.setAge(24);
  personnel.setName("String_Node_Str");
  personnel.setPersonalDetail(detail);
  em.persist(personnel);
  em.clear();
  PersonnelEmbedded foundPersonnel=em.find(PersonnelEmbedded.class,1);
  Assert.assertNotNull(foundPersonnel);
  Assert.assertNotNull(foundPersonnel.getPersonalDetail());
  Assert.assertNotNull(foundPersonnel.getPersonalDetail().getPhone());
  Assert.assertEquals("String_Node_Str",foundPersonnel.getPersonalDetail().getPhone().getContactName().get(0));
  Set<String> hashSet=new HashSet<String>();
  hashSet.add("String_Node_Str");
  Assert.assertEquals(hashSet,foundPersonnel.getPersonalDetail().getPhone().getContactNumber());
  List<PersonnelEmbedded> personnels=em.createQuery("String_Node_Str").getResultList();
  Assert.assertNotNull(personnels);
  Assert.assertFalse(personnels.isEmpty());
  Assert.assertNotNull(personnels.get(0));
  Assert.assertNotNull(personnels.get(0).getPersonalDetail());
  Assert.assertNotNull(personnels.get(0).getPersonalDetail().getPhone());
  Assert.assertEquals("String_Node_Str",personnels.get(0).getPersonalDetail().getPhone().getContactName().get(0));
  Assert.assertEquals(hashSet,personnels.get(0).getPersonalDetail().getPhone().getContactNumber());
  personnels=em.createQuery("String_Node_Str").getResultList();
  Assert.assertNotNull(personnels);
  Assert.assertFalse(personnels.isEmpty());
  Assert.assertNotNull(personnels.get(0));
  Assert.assertNotNull(personnels.get(0).getPersonalDetail());
  Assert.assertNotNull(personnels.get(0).getPersonalDetail().getPhone());
  Assert.assertEquals("String_Node_Str",personnels.get(0).getPersonalDetail().getPhone().getContactName().get(0));
  Assert.assertEquals(hashSet,personnels.get(0).getPersonalDetail().getPhone().getContactNumber());
}

Fixed version (ground truth):
@Test public void test(){
  PhoneDirectory phone=new PhoneDirectory();
  PersonalDetailEmbedded detail=new PersonalDetailEmbedded();
  detail.setPhoneNo(12456);
  detail.setEmailId("String_Node_Str");
  detail.setAddress("String_Node_Str");
  detail.setPhone(phone);
  PersonnelEmbedded personnel=new PersonnelEmbedded();
  personnel.setId(1);
  personnel.setAge(24);
  personnel.setName("String_Node_Str");
  personnel.setPersonalDetail(detail);
  em.persist(personnel);
  em.clear();
  PersonnelEmbedded foundPersonnel=em.find(PersonnelEmbedded.class,1);
  Assert.assertNotNull(foundPersonnel);
  Assert.assertNotNull(foundPersonnel.getPersonalDetail());
  Assert.assertNotNull(foundPersonnel.getPersonalDetail().getPhone());
  Assert.assertEquals("String_Node_Str",foundPersonnel.getPersonalDetail().getPhone().getContactName().get(0));
  Set<String> hashSet=new HashSet<String>();
  hashSet.add("String_Node_Str");
  Assert.assertEquals(hashSet,foundPersonnel.getPersonalDetail().getPhone().getContactNumber());
  List<PersonnelEmbedded> personnels=em.createQuery("String_Node_Str").getResultList();
  Assert.assertNotNull(personnels);
  Assert.assertFalse(personnels.isEmpty());
  Assert.assertNotNull(personnels.get(0));
  Assert.assertNotNull(personnels.get(0).getPersonalDetail());
  Assert.assertNotNull(personnels.get(0).getPersonalDetail().getPhone());
  Assert.assertEquals("String_Node_Str",personnels.get(0).getPersonalDetail().getPhone().getContactName().get(0));
  Assert.assertEquals(hashSet,personnels.get(0).getPersonalDetail().getPhone().getContactNumber());
  personnels=em.createQuery("String_Node_Str").getResultList();
  Assert.assertNotNull(personnels);
  Assert.assertFalse(personnels.isEmpty());
  Assert.assertNotNull(personnels.get(0));
  Assert.assertNotNull(personnels.get(0).getPersonalDetail());
  Assert.assertNotNull(personnels.get(0).getPersonalDetail().getPhone());
  Assert.assertEquals("String_Node_Str",personnels.get(0).getPersonalDetail().getPhone().getContactName().get(0));
  Assert.assertEquals(hashSet,personnels.get(0).getPersonalDetail().getPhone().getContactNumber());
  personnels=em.createQuery("String_Node_Str").getResultList();
  Assert.assertNotNull(personnels);
  Assert.assertFalse(personnels.isEmpty());
  Assert.assertNotNull(personnels.get(0));
  Assert.assertNotNull(personnels.get(0).getPersonalDetail());
  Assert.assertNotNull(personnels.get(0).getPersonalDetail().getPhone());
  Assert.assertEquals("String_Node_Str",personnels.get(0).getPersonalDetail().getPhone().getContactName().get(0));
  Assert.assertEquals(hashSet,personnels.get(0).getPersonalDetail().getPhone().getContactNumber());
  personnels=em.createQuery("String_Node_Str").getResultList();
  Assert.assertTrue(personnels.isEmpty());
  personnels=em.createQuery("String_Node_Str").getResultList();
  Assert.assertNotNull(personnels);
  Assert.assertFalse(personnels.isEmpty());
  Assert.assertNotNull(personnels.get(0));
  Assert.assertNotNull(personnels.get(0).getPersonalDetail());
  Assert.assertNotNull(personnels.get(0).getPersonalDetail().getPhone());
  Assert.assertEquals("String_Node_Str",personnels.get(0).getPersonalDetail().getPhone().getContactName().get(0));
  Assert.assertEquals(hashSet,personnels.get(0).getPersonalDetail().getPhone().getContactNumber());
}