Use consistent capitalization in MySQL and MariaDB test names

See gh-37497

spring-boot-project/spring-boot-docker-compose/src/test/java/org/springframework/boot/docker/compose/service/connection/mariadb/MariaDbEnvironmentTests.java

@@ -30,6 +30,7 @@ import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
  * @author Moritz Halbritter
  * @author Andy Wilkinson
  * @author Phillip Webb
+ * @author Jinseong Hwang
  */
 class MariaDbEnvironmentTests {
 
@@ -74,21 +75,21 @@ class MariaDbEnvironmentTests {
 	}
 
 	@Test
-	void getUsernameWhenHasMySqlUser() {
+	void getUsernameWhenHasMysqlUser() {
 		MariaDbEnvironment environment = new MariaDbEnvironment(
 				Map.of("MYSQL_USER", "myself", "MARIADB_PASSWORD", "secret", "MARIADB_DATABASE", "db"));
 		assertThat(environment.getUsername()).isEqualTo("myself");
 	}
 
 	@Test
-	void getUsernameWhenHasMariadbUserAndMySqlUser() {
+	void getUsernameWhenHasMariadbUserAndMysqlUser() {
 		MariaDbEnvironment environment = new MariaDbEnvironment(Map.of("MARIADB_USER", "myself", "MYSQL_USER", "me",
 				"MARIADB_PASSWORD", "secret", "MARIADB_DATABASE", "db"));
 		assertThat(environment.getUsername()).isEqualTo("myself");
 	}
 
 	@Test
-	void getUsernameWhenHasNoMariadbUserOrMySqlUser() {
+	void getUsernameWhenHasNoMariadbUserOrMysqlUser() {
 		MariaDbEnvironment environment = new MariaDbEnvironment(
 				Map.of("MARIADB_PASSWORD", "secret", "MARIADB_DATABASE", "db"));
 		assertThat(environment.getUsername()).isEqualTo("root");

spring-boot-project/spring-boot-docker-compose/src/test/java/org/springframework/boot/docker/compose/service/connection/mysql/MySqlEnvironmentTests.java

@@ -30,6 +30,7 @@ import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
  * @author Moritz Halbritter
  * @author Andy Wilkinson
  * @author Phillip Webb
+ * @author Jinseong Hwang
  */
 class MySqlEnvironmentTests {
 
@@ -53,14 +54,14 @@ class MySqlEnvironmentTests {
 	}
 
 	@Test
-	void getUsernameWhenHasMySqlUser() {
+	void getUsernameWhenHasMysqlUser() {
 		MySqlEnvironment environment = new MySqlEnvironment(
 				Map.of("MYSQL_USER", "myself", "MYSQL_PASSWORD", "secret", "MYSQL_DATABASE", "db"));
 		assertThat(environment.getUsername()).isEqualTo("myself");
 	}
 
 	@Test
-	void getUsernameWhenHasNoMySqlUser() {
+	void getUsernameWhenHasNoMysqlUser() {
 		MySqlEnvironment environment = new MySqlEnvironment(Map.of("MYSQL_PASSWORD", "secret", "MYSQL_DATABASE", "db"));
 		assertThat(environment.getUsername()).isEqualTo("root");
 	}

spring-boot-project/spring-boot-tools/spring-boot-test-support/src/main/java/org/springframework/boot/testsupport/testcontainers/DockerImageNames.java

@@ -114,7 +114,7 @@ public final class DockerImageNames {
 
 	/**
 	 * Return a {@link DockerImageName} suitable for running MariaDB.
-	 * @return a docker image name for running Mariadb
+	 * @return a docker image name for running MariaDB
 	 */
 	public static DockerImageName mariadb() {
 		return DockerImageName.parse("mariadb").withTag(MARIADB_VERSION);