PatientService getPatients(name, identifier, types, matchIdentifierExactly) ignores matchIdentifierExactly parameter

@Override
@Transactional(readOnly = true)
public List<Patient> getPatients(String name, String identifier, List<PatientIdentifierType> identifierTypes,
        boolean matchIdentifierExactly, Integer start, Integer length) throws APIException {
   
   return dao.getPatients(name != null ? name : identifier, start, length);
}

@Test
@SkipBaseSetup
public void shouldGetPatientsByIdentifierAndIdentifierType() throws Exception {
   initializeInMemoryDatabase();
   executeDataSet(FIND_PATIENTS_XML);
   authenticate();
   updateSearchIndex();
   
   List<PatientIdentifierType> types = new ArrayList<>();
   types.add(new PatientIdentifierType(1));
   // make sure we get back only one patient
   List<Patient> patients = patientService.getPatients("1234", null, types, false);
   assertEquals(1, patients.size());
   
   // make sure we get back only one patient
   patients = patientService.getPatients("1234", null, null, false);
   assertEquals(1, patients.size());
   
   // make sure we can search a padded identifier
   patients = patientService.getPatients("00000001234", null, null, false);
   assertEquals(1, patients.size());

   // should match unexact identifier
   patients = patientService.getPatients(null, "56342", null, false);
   assertEquals(1, patients.size());
   
}