Delete unused imports

spring-test/src/test/java/org/springframework/test/web/client/MockRestServiceServerTests.java

@@ -15,14 +15,11 @@
  */
 package org.springframework.test.web.client;
 
-import org.hamcrest.Matchers;
 import org.junit.Test;
 
 import org.springframework.test.web.client.MockRestServiceServer.MockRestServiceServerBuilder;
 import org.springframework.web.client.RestTemplate;
 
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
 import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo;
 import static org.springframework.test.web.client.response.MockRestResponseCreators.withSuccess;