Remove unnecessary throws declaration in tests

See gh-26441

spring-boot-project/spring-boot-cli/src/test/java/org/springframework/boot/cli/ReproIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2021 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.
@@ -64,7 +64,7 @@ class ReproIntegrationTests {
 	}
 
 	@Test
-	void jarFileExtensionNeeded() throws Exception {
+	void jarFileExtensionNeeded() {
 		assertThatExceptionOfType(ExecutionException.class)
 				.isThrownBy(() -> this.cli.jar("secure.groovy", "data-jpa.groovy"))
 				.withMessageContaining("is not a JAR file");

spring-boot-project/spring-boot-cli/src/test/java/org/springframework/boot/cli/command/CommandRunnerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 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.
@@ -94,7 +94,7 @@ class CommandRunnerTests {
 	}
 
 	@Test
-	void runWithoutArguments() throws Exception {
+	void runWithoutArguments() {
 		assertThatExceptionOfType(NoArgumentsException.class).isThrownBy(this.commandRunner::run);
 	}
 
@@ -105,7 +105,7 @@ class CommandRunnerTests {
 	}
 
 	@Test
-	void missingCommand() throws Exception {
+	void missingCommand() {
 		assertThatExceptionOfType(NoSuchCommandException.class).isThrownBy(() -> this.commandRunner.run("missing"));
 	}
 
@@ -170,13 +170,13 @@ class CommandRunnerTests {
 	}
 
 	@Test
-	void helpNoCommand() throws Exception {
+	void helpNoCommand() {
 		assertThatExceptionOfType(NoHelpCommandArgumentsException.class)
 				.isThrownBy(() -> this.commandRunner.run("help"));
 	}
 
 	@Test
-	void helpUnknownCommand() throws Exception {
+	void helpUnknownCommand() {
 		assertThatExceptionOfType(NoSuchCommandException.class)
 				.isThrownBy(() -> this.commandRunner.run("help", "missing"));
 	}

spring-boot-project/spring-boot-cli/src/test/java/org/springframework/boot/cli/command/init/ProjectGenerationRequestTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2021 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.
@@ -199,7 +199,7 @@ class ProjectGenerationRequestTests {
 	}
 
 	@Test
-	void noTypeAndNoDefault() throws Exception {
+	void noTypeAndNoDefault() {
 		assertThatExceptionOfType(ReportableException.class)
 				.isThrownBy(() -> this.request.generateUrl(readMetadata("types-conflict")))
 				.withMessageContaining("no default is defined");

spring-boot-project/spring-boot-cli/src/test/java/org/springframework/boot/cli/command/run/SpringApplicationRunnerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2021 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.
@@ -32,7 +32,7 @@ import static org.mockito.Mockito.mock;
 class SpringApplicationRunnerTests {
 
 	@Test
-	void exceptionMessageWhenSourcesContainsNoClasses() throws Exception {
+	void exceptionMessageWhenSourcesContainsNoClasses() {
 		SpringApplicationRunnerConfiguration configuration = mock(SpringApplicationRunnerConfiguration.class);
 		given(configuration.getClasspath()).willReturn(new String[] { "foo", "bar" });
 		given(configuration.getLogLevel()).willReturn(Level.INFO);