private ClientRequest verifyAndGetRequest() {
		ClientRequest request = captor.getValue();
		verify(exchangeFunction).exchange(request);
		verifyNoMoreInteractions(exchangeFunction);
		return request;
	}
@author Daniel Lavoie
@author Armin Krezovic
spring-cloud-netflix-eureka-client/src/test/java/org/springframework/cloud/netflix/eureka/http/WebClientTransportClientFactoryTest.java