/** Create a patient and then requery it */
  @Test
  public void testGetById() throws Exception {
    Patient patient = roleHelper.createPatient("564564564", testRenalUnit, testDiseaseUnit);

    patientManager.save(patient);

    Patient returnPatient = patientManager.getById(patient.getId());

    Assert.assertNotNull("There must be a patient returned", returnPatient);
    Assert.assertTrue(
        "The two patients must have the same id", patient.getId().equals(patient.getId()));
  }