@Test
public void testHasGroupIdIn() {

    Specification<OperationAllowed> hasGroupIdIn = OperationAllowedSpecs.hasGroupIdIn(Arrays.asList(_intranetGroup.getId()));
    List<OperationAllowed> found = _opAllowRepo.findAll(hasGroupIdIn, new Sort(operationIdPath(), metadataIdPath()));
    assertEquals(found.size(), 3);
}