assertTrue(resp.statusCode == Status.SUCCESS);
resp = api.assignRoleToUser(email, role, user);
assertTrue(resp.statusCode == Status.SUCCESS);
resp = api.unassignRoleToUser(email, role, user);
assertTrue(resp.statusCode == Status.SUCCESS);
//try to unassign again
resp = api.unassignRoleToUser(email, role, user);
assertTrue(resp.statusCode == Status.ERROR_RESOURCE_DOES_NOT_EXIST);