Polish access modifiers for test classes

See gh-27736

buildSrc/src/test/java/org/springframework/boot/build/artifactory/ArtifactoryRepositoryTests.java

@@ -27,7 +27,7 @@
  *
  * @author Andy Wilkinson
  */
-public class ArtifactoryRepositoryTests {
+class ArtifactoryRepositoryTests {
 
 	@Test
 	void whenProjectVersionIsMilestoneThenRepositoryIsMilestone() {

buildSrc/src/test/java/org/springframework/boot/build/bom/BomPluginIntegrationTests.java

@@ -38,14 +38,14 @@
  *
  * @author Andy Wilkinson
  */
-public class BomPluginIntegrationTests {
+class BomPluginIntegrationTests {
 
 	private File projectDir;
 
 	private File buildFile;
 
 	@BeforeEach
-	public void setup(@TempDir File projectDir) throws IOException {
+	void setup(@TempDir File projectDir) throws IOException {
 		this.projectDir = projectDir;
 		this.buildFile = new File(this.projectDir, "build.gradle");
 	}

buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/ArtifactVersionDependencyVersionTests.java

@@ -25,7 +25,7 @@
  *
  * @author Andy Wilkinson
  */
-public class ArtifactVersionDependencyVersionTests {
+class ArtifactVersionDependencyVersionTests {
 
 	@Test
 	void parseWhenVersionIsNotAMavenVersionShouldReturnNull() {

buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/CalendarVersionDependencyVersionTests.java

@@ -25,7 +25,7 @@
  *
  * @author Andy Wilkinson
  */
-public class CalendarVersionDependencyVersionTests {
+class CalendarVersionDependencyVersionTests {
 
 	@Test
 	void parseWhenVersionIsNotACalendarVersionShouldReturnNull() {

buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/DependencyVersionTests.java

@@ -25,7 +25,7 @@
  *
  * @author Andy Wilkinson
  */
-public class DependencyVersionTests {
+class DependencyVersionTests {
 
 	@Test
 	void parseWhenValidMavenVersionShouldReturnArtifactVersionDependencyVersion() {

buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/NumericQualifierDependencyVersionTests.java

@@ -25,7 +25,7 @@
  *
  * @author Andy Wilkinson
  */
-public class NumericQualifierDependencyVersionTests {
+class NumericQualifierDependencyVersionTests {
 
 	@Test
 	void isNewerThanOnVersionWithNumericQualifierWhenInputHasNoQualifierShouldReturnTrue() {

buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/ReleaseTrainDependencyVersionTests.java

@@ -25,7 +25,7 @@
  *
  * @author Andy Wilkinson
  */
-public class ReleaseTrainDependencyVersionTests {
+class ReleaseTrainDependencyVersionTests {
 
 	@Test
 	void parsingOfANonReleaseTrainVersionReturnsNull() {

buildSrc/src/test/java/org/springframework/boot/build/log4j2/ReproduciblePluginsDatActionTests.java

@@ -37,7 +37,7 @@
  *
  * @author Andy Wilkinson
  */
-public class ReproduciblePluginsDatActionTests {
+class ReproduciblePluginsDatActionTests {
 
 	@Test
 	void postProcessingOrdersCategoriesAndPlugins() throws IOException {

buildSrc/src/test/java/org/springframework/boot/build/mavenplugin/PluginXmlParserTests.java

@@ -33,7 +33,7 @@
  * @author Andy Wilkinson
  * @author Mike Smithson
  */
-public class PluginXmlParserTests {
+class PluginXmlParserTests {
 
 	private final PluginXmlParser parser = new PluginXmlParser();
 

buildSrc/src/test/java/org/springframework/boot/build/optional/OptionalDependenciesPluginIntegrationTests.java

@@ -34,14 +34,14 @@
  *
  * @author Andy Wilkinson
  */
-public class OptionalDependenciesPluginIntegrationTests {
+class OptionalDependenciesPluginIntegrationTests {
 
 	private File projectDir;
 
 	private File buildFile;
 
 	@BeforeEach
-	public void setup(@TempDir File projectDir) throws IOException {
+	void setup(@TempDir File projectDir) throws IOException {
 		this.projectDir = projectDir;
 		this.buildFile = new File(this.projectDir, "build.gradle");
 	}
@@ -80,7 +80,7 @@ void optionalDependenciesAreAddedToTestSourceSetsRuntimeClasspath() throws IOExc
 		optionalDependenciesAreAddedToSourceSetClasspath("test", "runtimeClasspath");
 	}
 
-	public void optionalDependenciesAreAddedToSourceSetClasspath(String sourceSet, String classpath)
+	private void optionalDependenciesAreAddedToSourceSetClasspath(String sourceSet, String classpath)
 			throws IOException {
 		try (PrintWriter out = new PrintWriter(new FileWriter(this.buildFile))) {
 			out.println("plugins {");

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/web/servlet/DefaultWebMvcTagsProviderTests.java

@@ -39,7 +39,7 @@
  *
  * @author Andy Wilkinson
  */
-public class DefaultWebMvcTagsProviderTests {
+class DefaultWebMvcTagsProviderTests {
 
 	@Test
 	void whenTagsAreProvidedThenDefaultTagsArePresent() {

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/http/OutcomeTests.java

@@ -25,7 +25,7 @@
  *
  * @author Andy Wilkinson
  */
-public class OutcomeTests {
+class OutcomeTests {
 
 	@Test
 	void outcomeForInformationalStatusIsInformational() {

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/reactive/server/DefaultWebFluxTagsProviderTests.java

@@ -37,7 +37,7 @@
  *
  * @author Andy Wilkinson
  */
-public class DefaultWebFluxTagsProviderTests {
+class DefaultWebFluxTagsProviderTests {
 
 	@Test
 	void whenTagsAreProvidedThenDefaultTagsArePresent() {

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/AutoConfigurationPackagesTests.java

@@ -35,7 +35,7 @@
  * @author Oliver Gierke
  */
 @SuppressWarnings("resource")
-public class AutoConfigurationPackagesTests {
+class AutoConfigurationPackagesTests {
 
 	@Test
 	void setAndGet() {

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/context/LifecycleAutoConfigurationTests.java

@@ -32,7 +32,7 @@
  *
  * @author Andy Wilkinson
  */
-public class LifecycleAutoConfigurationTests {
+class LifecycleAutoConfigurationTests {
 
 	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
 			.withConfiguration(AutoConfigurations.of(LifecycleAutoConfiguration.class));

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/elasticsearch/ReactiveElasticsearchRepositoriesAutoConfigurationTests.java

@@ -45,7 +45,7 @@
  * @author Brian Clozel
  */
 @Testcontainers(disabledWithoutDocker = true)
-public class ReactiveElasticsearchRepositoriesAutoConfigurationTests {
+class ReactiveElasticsearchRepositoriesAutoConfigurationTests {
 
 	@Container
 	static ElasticsearchContainer elasticsearch = new ElasticsearchContainer(DockerImageNames.elasticsearch())

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/elasticsearch/ReactiveElasticsearchRestClientAutoConfigurationTests.java

@@ -45,7 +45,7 @@
  * @author Brian Clozel
  */
 @Testcontainers(disabledWithoutDocker = true)
-public class ReactiveElasticsearchRestClientAutoConfigurationTests {
+class ReactiveElasticsearchRestClientAutoConfigurationTests {
 
 	@Container
 	static ElasticsearchContainer elasticsearch = new ElasticsearchContainer(DockerImageNames.elasticsearch())

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/neo4j/Neo4jReactiveRepositoriesAutoConfigurationTests.java

@@ -40,7 +40,7 @@
  * @author Stephane Nicoll
  * @author Michael J. Simons
  */
-public class Neo4jReactiveRepositoriesAutoConfigurationTests {
+class Neo4jReactiveRepositoriesAutoConfigurationTests {
 
 	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
 			.withUserConfiguration(MockedDriverConfiguration.class)

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/neo4j/Neo4jRepositoriesAutoConfigurationIntegrationTests.java

@@ -43,7 +43,7 @@
  */
 @SpringBootTest
 @Testcontainers(disabledWithoutDocker = true)
-public class Neo4jRepositoriesAutoConfigurationIntegrationTests {
+class Neo4jRepositoriesAutoConfigurationIntegrationTests {
 
 	@Container
 	private static final Neo4jContainer<?> neo4jServer = new Neo4jContainer<>(DockerImageNames.neo4j())

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/freemarker/FreeMarkerAutoConfigurationTests.java

@@ -37,7 +37,7 @@
  * @author Kazuki Shimizu
  */
 @ExtendWith(OutputCaptureExtension.class)
-public class FreeMarkerAutoConfigurationTests {
+class FreeMarkerAutoConfigurationTests {
 
 	private final BuildOutput buildOutput = new BuildOutput(getClass());
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/packagestest/two/SecondConfiguration.java

@@ -17,11 +17,10 @@
 package org.springframework.boot.autoconfigure.packagestest.two;
 
 import org.springframework.boot.autoconfigure.AutoConfigurationPackage;
-import org.springframework.boot.autoconfigure.AutoConfigurationPackagesTests;
 import org.springframework.context.annotation.Configuration;
 
 /**
- * Sample configuration used in {@link AutoConfigurationPackagesTests}.
+ * Sample configuration used in {@code AutoConfigurationPackagesTests}.
  *
  * @author Oliver Gierke
  */

spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/context/SpringBootTestWithActiveProfilesAndEnvironmentPropertyTests.java

@@ -42,7 +42,7 @@
 @SpringBootTest
 @ActiveProfiles({ "test1", "test2" })
 @ContextConfiguration(loader = SpringBootTestWithActiveProfilesAndEnvironmentPropertyTests.Loader.class)
-public class SpringBootTestWithActiveProfilesAndEnvironmentPropertyTests {
+class SpringBootTestWithActiveProfilesAndEnvironmentPropertyTests {
 
 	@Autowired
 	private Environment environment;

spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/context/SpringBootTestWithActiveProfilesAndSystemEnvironmentPropertyTests.java

@@ -44,7 +44,7 @@
 @SpringBootTest
 @ActiveProfiles({ "test1", "test2" })
 @ContextConfiguration(loader = SpringBootTestWithActiveProfilesAndSystemEnvironmentPropertyTests.Loader.class)
-public class SpringBootTestWithActiveProfilesAndSystemEnvironmentPropertyTests {
+class SpringBootTestWithActiveProfilesAndSystemEnvironmentPropertyTests {
 
 	@Autowired
 	private Environment environment;

spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/web/reactive/server/WebTestClientContextCustomizerWithoutSupportedHttpClientTests.java

@@ -33,7 +33,7 @@
  * @author Andy Wilkinson
  */
 @ClassPathExclusions({ "reactor-netty*.jar", "jetty-client*.jar" })
-public class WebTestClientContextCustomizerWithoutSupportedHttpClientTests {
+class WebTestClientContextCustomizerWithoutSupportedHttpClientTests {
 
 	@Test
 	void createContextCustomizerWhenNoSupportedHttpClientIsAvailableShouldReturnNull() {

spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/web/reactive/server/WebTestClientContextCustomizerWithoutWebfluxIntegrationTests.java

@@ -34,7 +34,7 @@
  * @author Stephane Nicoll
  */
 @ClassPathExclusions("spring-webflux*.jar")
-public class WebTestClientContextCustomizerWithoutWebfluxIntegrationTests {
+class WebTestClientContextCustomizerWithoutWebfluxIntegrationTests {
 
 	@Test
 	void customizerIsNotCreatedWithoutWebClient() {

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/BuildRequestTests.java

@@ -44,7 +44,7 @@
  * @author Phillip Webb
  * @author Scott Frederick
  */
-public class BuildRequestTests {
+class BuildRequestTests {
 
 	@TempDir
 	File tempDir;

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/docker/configuration/DockerConfigurationTests.java

@@ -26,7 +26,7 @@
  * @author Wei Jiang
  * @author Scott Frederick
  */
-public class DockerConfigurationTests {
+class DockerConfigurationTests {
 
 	@Test
 	void createDockerConfigurationWithDefaults() {

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/BootBuildImageRegistryIntegrationTests.java

@@ -49,7 +49,7 @@
 @GradleCompatibility
 @Testcontainers(disabledWithoutDocker = true)
 @Disabled("Disabled until differences between running locally and in CI can be diagnosed")
-public class BootBuildImageRegistryIntegrationTests {
+class BootBuildImageRegistryIntegrationTests {
 
 	@Container
 	static final RegistryContainer registry = new RegistryContainer().withStartupAttempts(5)

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/DockerSpecTests.java

@@ -32,7 +32,7 @@
  * @author Wei Jiang
  * @author Scott Frederick
  */
-public class DockerSpecTests {
+class DockerSpecTests {
 
 	@Test
 	void asDockerConfigurationWithDefaults() {

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/BuildInfoIntegrationTests.java

@@ -37,7 +37,7 @@
  * @author Andy Wilkinson
  */
 @ExtendWith(MavenBuildExtension.class)
-public class BuildInfoIntegrationTests {
+class BuildInfoIntegrationTests {
 
 	@TestTemplate
 	void buildInfoPropertiesAreGenerated(MavenBuild mavenBuild) {

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/EclipseM2eIntegrationTests.java

@@ -32,7 +32,7 @@
  *
  * @author Phillip Webb
  */
-public class EclipseM2eIntegrationTests {
+class EclipseM2eIntegrationTests {
 
 	@Test // gh-21992
 	void pluginPomIncludesOptionalShadeDependency() throws Exception {

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/CustomLayersProviderTests.java

@@ -40,7 +40,7 @@
  * @author Madhura Bhave
  * @author Scott Frederick
  */
-public class CustomLayersProviderTests {
+class CustomLayersProviderTests {
 
 	private CustomLayersProvider customLayersProvider;
 

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/test/java/org/springframework/boot/maven/DockerTests.java

@@ -31,7 +31,7 @@
  * @author Wei Jiang
  * @author Scott Frederick
  */
-public class DockerTests {
+class DockerTests {
 
 	@Test
 	void asDockerConfigurationWithDefaults() {

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/config/ConfigTreeConfigDataLoaderTests.java

@@ -37,7 +37,7 @@
  * @author Madhura Bhave
  * @author Phillip Webb
  */
-public class ConfigTreeConfigDataLoaderTests {
+class ConfigTreeConfigDataLoaderTests {
 
 	private ConfigTreeConfigDataLoader loader = new ConfigTreeConfigDataLoader();
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/config/ConfigTreeConfigDataResourceTests.java

@@ -30,7 +30,7 @@
  * @author Madhura Bhave
  * @author Phillip Webb
  */
-public class ConfigTreeConfigDataResourceTests {
+class ConfigTreeConfigDataResourceTests {
 
 	@Test
 	void constructorWhenPathStringIsNullThrowsException() {

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/config/StandardConfigDataLoaderTests.java

@@ -34,7 +34,7 @@
  * @author Madhura Bhave
  * @author Phillip Webb
  */
-public class StandardConfigDataLoaderTests {
+class StandardConfigDataLoaderTests {
 
 	private StandardConfigDataLoader loader = new StandardConfigDataLoader();
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/config/StandardConfigDataLocationResolverTests.java

@@ -44,7 +44,7 @@
  * @author Madhura Bhave
  * @author Phillip Webb
  */
-public class StandardConfigDataLocationResolverTests {
+class StandardConfigDataLocationResolverTests {
 
 	private StandardConfigDataLocationResolver resolver;
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/config/StandardConfigDataResourceTests.java

@@ -31,7 +31,7 @@
  * @author Madhura Bhave
  * @author Phillip Webb
  */
-public class StandardConfigDataResourceTests {
+class StandardConfigDataResourceTests {
 
 	StandardConfigDataReference reference = mock(StandardConfigDataReference.class);
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/properties/bind/BoundPropertiesTrackingBindHandlerTests.java

@@ -41,7 +41,7 @@
  * @author Madhura Bhave
  */
 @ExtendWith(MockitoExtension.class)
-public class BoundPropertiesTrackingBindHandlerTests {
+class BoundPropertiesTrackingBindHandlerTests {
 
 	private List<ConfigurationPropertySource> sources = new ArrayList<>();
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/client/RestTemplateBuilderClientHttpRequestInitializerTests.java

@@ -43,7 +43,7 @@
  * @author Ilya Lukyanovich
  * @author Phillip Webb
  */
-public class RestTemplateBuilderClientHttpRequestInitializerTests {
+class RestTemplateBuilderClientHttpRequestInitializerTests {
 
 	private final MockClientHttpRequest request = new MockClientHttpRequest();
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/context/WebServerApplicationContextTests.java

@@ -29,7 +29,7 @@
  *
  * @author Phillip Webb
  */
-public class WebServerApplicationContextTests {
+class WebServerApplicationContextTests {
 
 	@Test
 	void hasServerNamespaceWhenContextIsNotWebServerApplicationContextReturnsFalse() {