Remove redundant throws declarations from internal APIs

Closes gh-31176

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/testing/springbootapplications/autoconfiguredrestclient/MyRestClientTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 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.
@@ -37,7 +37,7 @@ class MyRestClientTests {
 	private MockRestServiceServer server;
 
 	@Test
-	void getVehicleDetailsWhenResultIsSuccessShouldReturnDetails() throws Exception {
+	void getVehicleDetailsWhenResultIsSuccessShouldReturnDetails() {
 		this.server.expect(requestTo("/greet/details")).andRespond(withSuccess("hello", MediaType.TEXT_PLAIN));
 		String greeting = this.service.callRestService();
 		assertThat(greeting).isEqualTo("hello");

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/testing/springbootapplications/autoconfiguredspringdatajpa/withoutdb/MyRepositoryTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 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.
@@ -34,7 +34,7 @@ class MyRepositoryTests {
 	private UserRepository repository;
 
 	@Test
-	void testExample() throws Exception {
+	void testExample() {
 		this.entityManager.persist(new User("sboot", "1234"));
 		User user = this.repository.findByUsername("sboot");
 		assertThat(user.getUsername()).isEqualTo("sboot");

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/testing/springbootapplications/autoconfiguredwebservices/server/ExampleEndpoint.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 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.
@@ -28,7 +28,7 @@ public class ExampleEndpoint {
 
 	@PayloadRoot(localPart = "ExampleRequest")
 	@ResponsePayload
-	public Source handleRequest() throws Exception {
+	public Source handleRequest() {
 		return new StringSource("<ExampleResponse>42</ExampleResponse>");
 	}
 

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/testing/springbootapplications/jmx/MyJmxTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 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.
@@ -17,7 +17,6 @@
 package org.springframework.boot.docs.features.testing.springbootapplications.jmx;
 
 import javax.management.MBeanServer;
-import javax.management.MalformedObjectNameException;
 
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
@@ -38,7 +37,7 @@ class MyJmxTests {
 	private MBeanServer mBeanServer;
 
 	@Test
-	void exampleTest() throws MalformedObjectNameException {
+	void exampleTest() {
 		assertThat(this.mBeanServer.getDomains()).contains("java.lang");
 		// ...
 	}

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/testing/springbootapplications/springwebfluxtests/MyControllerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 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.
@@ -36,7 +36,7 @@ class MyControllerTests {
 	private UserVehicleService userVehicleService;
 
 	@Test
-	void testExample() throws Exception {
+	void testExample() {
 		// @formatter:off
 		given(this.userVehicleService.getVehicleDetails("sboot"))
 			.willReturn(new VehicleDetails("Honda", "Civic"));

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/testing/utilities/testresttemplate/MyTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 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.
@@ -28,7 +28,7 @@ class MyTests {
 	private TestRestTemplate template = new TestRestTemplate();
 
 	@Test
-	void testRequest() throws Exception {
+	void testRequest() {
 		ResponseEntity<String> headers = this.template.getForEntity("https://myhost.example.com/example", String.class);
 		assertThat(headers.getHeaders().getLocation()).hasHost("other.example.com");
 	}