diff --git a/spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/SpringBootTest.java b/spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/SpringBootTest.java
index 06e1ddfdef2f..9dd0551b958e 100644
--- a/spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/SpringBootTest.java
+++ b/spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/SpringBootTest.java
@@ -187,6 +187,7 @@ public boolean isEmbedded() {
* Enumeration of how the main method of the
* {@link SpringBootConfiguration @SpringBootConfiguration}-annotated class is used
* when creating and running the {@link SpringApplication} under test.
+ * @since 3.0.0
*/
enum UseMainMethod {
diff --git a/src/checkstyle/checkstyle-suppressions.xml b/src/checkstyle/checkstyle-suppressions.xml
index 8a2608f3b1f2..46239c87f188 100644
--- a/src/checkstyle/checkstyle-suppressions.xml
+++ b/src/checkstyle/checkstyle-suppressions.xml
@@ -68,4 +68,6 @@
+
+