pact:加强对PACT的合同测试

通过Java 8，springboot和Junit5在PACT上添加峰值的回购集 从挑选以下 Contract testing is a technique for testing an integration point by checking each application in isolation to ensure the messages it sends or receives conform to a shared understanding that is documented in a "contract". Pact is a code-first tool for testing HTTP and message integrations using contract tests. 消费者：-订购服务 具有以下端点1。/ getOrder->从id为1和2（硬编码）