Merge branch '2.3.x'

Closes gh-21699

buildSrc/src/main/java/org/springframework/boot/build/JavaConventions.java

@@ -109,15 +109,17 @@ class JavaConventions {
 			test.useJUnitPlatform();
 			test.setMaxHeapSize("1024M");
 		});
-		if (Boolean.parseBoolean(System.getenv("CI"))) {
-			project.getPlugins().apply(TestRetryPlugin.class);
-			project.getTasks().withType(Test.class,
-					(test) -> project.getPlugins().withType(TestRetryPlugin.class, (testRetryPlugin) -> {
-						TestRetryTaskExtension testRetry = test.getExtensions().getByType(TestRetryTaskExtension.class);
-						testRetry.getFailOnPassedAfterRetry().set(true);
-						testRetry.getMaxRetries().set(3);
-					}));
-		}
+		project.getPlugins().apply(TestRetryPlugin.class);
+		project.getTasks().withType(Test.class,
+				(test) -> project.getPlugins().withType(TestRetryPlugin.class, (testRetryPlugin) -> {
+					TestRetryTaskExtension testRetry = test.getExtensions().getByType(TestRetryTaskExtension.class);
+					testRetry.getFailOnPassedAfterRetry().set(true);
+					testRetry.getMaxRetries().set(isCi() ? 3 : 0);
+				}));
+	}
+
+	private boolean isCi() {
+		return Boolean.parseBoolean(System.getenv("CI"));
 	}
 
 	private void configureJavadocConventions(Project project) {

buildSrc/src/test/java/org/springframework/boot/build/ConventionsPluginTests.java

@@ -78,7 +78,7 @@ class ConventionsPluginTests {
 	}
 
 	@Test
-	void testRetryIsConfiguredOnCI() throws IOException {
+	void testRetryIsConfiguredWithThreeRetriesOnCI() throws IOException {
 		try (PrintWriter out = new PrintWriter(new FileWriter(this.buildFile))) {
 			out.println("plugins {");
 			out.println("    id 'java'");
@@ -101,7 +101,7 @@ class ConventionsPluginTests {
 	}
 
 	@Test
-	void testRetryIsNotConfiguredLocally() throws IOException {
+	void testRetryIsConfiguredWithZeroRetriesLocally() throws IOException {
 		try (PrintWriter out = new PrintWriter(new FileWriter(this.buildFile))) {
 			out.println("plugins {");
 			out.println("    id 'java'");
@@ -111,11 +111,16 @@ class ConventionsPluginTests {
 			out.println("task retryConfig {");
 			out.println("    doLast {");
 			out.println("        println \"Retry plugin applied: ${plugins.hasPlugin('org.gradle.test-retry')}\"");
+			out.println("    test.retry {");
+			out.println("            println \"maxRetries: ${maxRetries.get()}\"");
+			out.println("            println \"failOnPassedAfterRetry: ${failOnPassedAfterRetry.get()}\"");
+			out.println("        }");
 			out.println("    }");
 			out.println("}");
 		}
 		assertThat(runGradle(Collections.singletonMap("CI", "local"), "retryConfig", "--stacktrace").getOutput())
-				.contains("Retry plugin applied: false");
+				.contains("Retry plugin applied: true").contains("maxRetries: 0")
+				.contains("failOnPassedAfterRetry: true");
 	}
 
 	private BuildResult runGradle(String... args) {