def METHOD_NAME(self):
    non_union_query = """MATCH (a)-[]->(b) RETURN a.v, b.v ORDER BY a.v, b.v"""
    non_union_result = redis_graph.query(non_union_query)
    union_query = """MATCH (a)-[]->(b) RETURN a.v, b.v ORDER BY a.v, b.v
                     UNION
                     MATCH (a)-[]->(b) RETURN a.v, b.v ORDER BY a.v, b.v"""
    union_result = redis_graph.query(union_query)
    self.env.assertEquals(union_result.result_set, non_union_result.result_set)