diff --git a/spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/web/client/RootUriRequestExpectationManagerTests.java b/spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/web/client/RootUriRequestExpectationManagerTests.java
index d4bc3151429a..e850d8312f0e 100644
--- a/spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/web/client/RootUriRequestExpectationManagerTests.java
+++ b/spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/web/client/RootUriRequestExpectationManagerTests.java
@@ -86,7 +86,7 @@ public void createWhenExpectationManagerIsNullShouldThrowException() {
 
 	@Test
 	public void expectRequestShouldDelegateToExpectationManager() {
-		ExpectedCount count = mock(ExpectedCount.class);
+		ExpectedCount count = ExpectedCount.once();
 		RequestMatcher requestMatcher = mock(RequestMatcher.class);
 		this.manager.expectRequest(count, requestMatcher);
 		verify(this.delegate).expectRequest(count, requestMatcher);