Replace SpringJUnit4ClassRunner with SpringRunner

Author: joshiste

spring-boot-admin-server/src/test/java/de/codecentric/boot/admin/AdminApplicationTest.java

@@ -30,7 +30,7 @@
 import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.junit4.SpringRunner;
 
 import de.codecentric.boot.admin.AdminApplicationTest.TestAdminApplication;
 import de.codecentric.boot.admin.config.EnableAdminServer;
@@ -41,7 +41,7 @@
  *
  * @author Dennis Schulte
  */
-@RunWith(SpringJUnit4ClassRunner.class)
+@RunWith(SpringRunner.class)
 @SpringBootTest(classes = TestAdminApplication.class, webEnvironment = WebEnvironment.RANDOM_PORT, properties = {
 "spring.cloud.config.enabled=false" })
 public class AdminApplicationTest {