diff --git a/spring-cloud-commons/src/test/java/org/springframework/cloud/client/discovery/simple/reactive/SimpleReactiveDiscoveryClientTests.java b/spring-cloud-commons/src/test/java/org/springframework/cloud/client/discovery/simple/reactive/SimpleReactiveDiscoveryClientTests.java
index ba2d33aa..994805da 100644
--- a/spring-cloud-commons/src/test/java/org/springframework/cloud/client/discovery/simple/reactive/SimpleReactiveDiscoveryClientTests.java
+++ b/spring-cloud-commons/src/test/java/org/springframework/cloud/client/discovery/simple/reactive/SimpleReactiveDiscoveryClientTests.java
@@ -66,7 +66,7 @@ public class SimpleReactiveDiscoveryClientTests {
 	@Test
 	public void shouldReturnEmptyFluxForNonExistingService() {
 		Flux<ServiceInstance> instances = this.client.getInstances("undefined");
-		StepVerifier.create(instances).expectComplete();
+		StepVerifier.create(instances).expectComplete().verify();
 	}
 
 	@Test