User u = getValidUser();
Long orgId = u.getOrganisation_users().get(0).getOrganisation().getOrganisation_id();
List<User> ul = orgManagement.getUsersByOrganisationId(orgId, 0, 9999, "login", true);
assertTrue("Default Organisation should contain at least 1 user: " + ul.size(), ul.size() > 0);
Organisation_Users ou = orgManagement.getOrganisation_UserByUserAndOrganisation(u.getUser_id(), orgId);
assertNotNull("Unable to found [organisation, user] pair - [" + orgId + "," + u.getUser_id() + "]", ou);
}