Polishing contribution

Closes gh-367

samples/webmvc-http-security/src/main/java/io/spring/sample/graphql/SalaryService.java

@@ -15,7 +15,7 @@ public class SalaryService {
 		return new BigDecimal("42");
 	}
 
-	@Secured({ "ROLE_HR" })
+	@Secured("ROLE_HR")
 	public void updateSalary(String employeeId, BigDecimal newSalary) {
 
 	}

samples/webmvc-http-security/src/main/java/io/spring/sample/graphql/SecurityConfig.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2002-2022 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 io.spring.sample.graphql;
 
 import org.springframework.context.annotation.Bean;
@@ -23,9 +38,7 @@ public class SecurityConfig {
 				.csrf(c -> c.disable())
 				// Demonstrate that method security works
 				// Best practice to use both for defense in depth
-				.authorizeRequests(requests -> requests
-					.anyRequest().permitAll()
-				)
+				.authorizeRequests(requests -> requests.anyRequest().permitAll())
 				.httpBasic(withDefaults())
 				.build();
 	}

samples/webmvc-http-security/src/test/java/io/spring/sample/graphql/WebMvcHttpSecuritySampleTests.java

@@ -75,11 +75,10 @@ class WebMvcHttpSecuritySampleTests {
 	}
 
 	@Test
-	void canNotMutationUpdateSalary() {
-		WebGraphQlTester tester = this.graphQlTester.mutate().build();
+	void canNotMutateUpdateSalary() {
 		SalaryInput salaryInput = new SalaryInput("1", BigDecimal.valueOf(44));
 
-		tester.documentName("updateSalary")
+		this.graphQlTester.documentName("updateSalary")
 				.variable("salaryInput", salaryInput)
 				.execute()
 				.errors()