Polish "Polish access modifiers for test classes"

See gh-27736

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-jersey/src/test/java/smoketest/jersey/JerseyFilterManagementPortTests.java

@@ -25,6 +25,6 @@ import org.springframework.test.context.TestPropertySource;
  * @author Andy Wilkinson
  */
 @TestPropertySource(properties = { "spring.jersey.type=filter", "server.servlet.register-default-servlet=true" })
-public class JerseyFilterManagementPortTests extends AbstractJerseyManagementPortTests {
+class JerseyFilterManagementPortTests extends AbstractJerseyManagementPortTests {
 
 }

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-jersey/src/test/java/smoketest/jersey/JerseyServletManagementPortTests.java

@@ -22,6 +22,6 @@ package smoketest.jersey;
  *
  * @author Andy Wilkinson
  */
-public class JerseyServletManagementPortTests extends AbstractJerseyManagementPortTests {
+class JerseyServletManagementPortTests extends AbstractJerseyManagementPortTests {
 
 }

spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-rsocket/src/test/java/smoketest/rsocket/SampleRSocketApplicationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.