@Test
	void testGetInstances() throws NacosException {

		when(serviceDiscovery.getInstances("reactive-service"))
				.thenReturn(singletonList(serviceInstance));

		Flux<ServiceInstance> instances = this.client.getInstances("reactive-service");

		StepVerifier.create(instances).expectNextCount(1).expectComplete().verify();
	}
@author <a href="mailto:echooy.mxq@gmail.com">echooymxq</a>
@author freeman
spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/test/java/com/alibaba/cloud/nacos/discovery/reactive/NacosReactiveDiscoveryClientTests.java