Fix Checkstyle

Issue gh-16012

Author: jzheaux

saml2/saml2-service-provider/src/test/java/org/springframework/security/saml2/provider/service/registration/JdbcAssertingPartyMetadataRepositoryTests.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2002-2025 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.springframework.security.saml2.provider.service.registration;
 
 import java.io.IOException;
@@ -62,15 +78,15 @@ class JdbcAssertingPartyMetadataRepositoryTests {
 	private final Serializer<Object> serializer = new DefaultSerializer();
 
 	@BeforeEach
-	public void setUp() throws Exception {
+	void setUp() {
 		this.db = createDb();
 		this.jdbcOperations = new JdbcTemplate(this.db);
 		this.repository = new JdbcAssertingPartyMetadataRepository(this.jdbcOperations);
 		this.certificate = loadCertificate("rsa.crt");
 	}
 
 	@AfterEach
-	public void tearDown() {
+	void tearDown() {
 		this.db.shutdown();
 	}