Removes unnecessary @RunWith annotations (#2290)

Author: kvmw

spring-cloud-config-server/src/test/java/org/springframework/cloud/config/server/TransportConfigurationIntegrationTests.java

@@ -29,7 +29,6 @@
 import org.eclipse.jgit.transport.URIish;
 import org.eclipse.jgit.transport.sshd.SshdSessionFactory;
 import org.junit.jupiter.api.Test;
-import org.junit.runner.RunWith;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
@@ -42,7 +41,6 @@
 import org.springframework.cloud.config.server.ssh.SshPropertyValidator;
 import org.springframework.cloud.config.server.test.TestConfigServerApplication;
 import org.springframework.test.context.ActiveProfiles;
-import org.springframework.test.context.junit4.SpringRunner;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -334,7 +332,6 @@ public void strictHostKeyCheckShouldCheck() throws Exception {
 
 	public static class CallbackWithHttpUrlsOnly {
 
-		@RunWith(SpringRunner.class)
 		@SpringBootTest(classes = { TestConfigServerApplication.class, SshPropertyValidator.class },
 				webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
 				properties = { "spring.cloud.config.server.git.uri=https://gitserver.com/team/repo.git" })
@@ -364,7 +361,6 @@ public void noSessionFactoryIsConfiguredForSshTransports() throws Exception {
 
 		}
 
-		@RunWith(SpringRunner.class)
 		@SpringBootTest(classes = { TestConfigServerApplication.class, SshPropertyValidator.class },
 				webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
 				properties = { "spring.cloud.config.server.composite[0].type=git",