@Test
  public void testCertificationGetters() {
    Certification credential = CredentialFactory.getInstance().createCertification();
    credential.getCertificationType().setId(1L);

    action.setCredential(new Degree());
    assertNull(action.getCertification());

    action.setCertification(new Certification());

    when(mockDataService.getPersistentObject(CertificationType.class, null)).thenReturn(null);
    when(mockDataService.getPersistentObject(CertificationType.class, 1L))
        .thenReturn(credential.getCertificationType());

    action.setCertificationTypeId(null);
    assertNull(action.getCertificationTypeId());
    action.setCertificationTypeId(1L);
    assertEquals(Long.valueOf(1L), action.getCertificationTypeId());
  }