def test_list_filter_invalid_object(self):
        """
        MVC: Test Filter with related object not found
        """
        with self.app.test_client() as c:
            self.browser_login(c, USERNAME_ADMIN, PASSWORD_ADMIN)

            # Roles doesn't exists
            rv = c.get("/users/list/?_flt_0_roles=-1")
            self.assertEqual(rv.status_code, 200)

        MVC: Test Filter with related object not found
        
tests/test_mvc.py