Polish Gradle tasks for AOT processing

Closes gh-32946

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/plugin/SpringBootAotPluginIntegrationTests.java

@@ -95,12 +95,6 @@ class SpringBootAotPluginIntegrationTests {
 		assertThat(output).contains("org.jboss.logging" + File.separatorChar + "jboss-logging");
 	}
 
-	@TestTemplate
-	void processAotIsSkippedWhenProjectHasNoMainSource() {
-		assertThat(this.gradleBuild.build("processAot").task(":processAot").getOutcome())
-				.isEqualTo(TaskOutcome.NO_SOURCE);
-	}
-
 	@TestTemplate
 	void processAotRunsWhenProjectHasMainSource() throws IOException {
 		writeMainClass("org.springframework.boot", "SpringApplicationAotProcessor");

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/SpringBootAotPluginIntegrationTests-processTestAotHasLibraryResourcesOnItsClasspath.gradle

@@ -4,12 +4,28 @@ plugins {
 	id 'java'
 }
 
+repositories {
+	mavenCentral()
+	maven { url 'file:repository' }
+}
+
+configurations.all {
+	resolutionStrategy {
+		eachDependency {
+			if (it.requested.group == 'org.springframework.boot') {
+				it.useVersion project.bootVersion
+			}
+		}
+	}
+}
+
 dependencies {
 	implementation project(":library")
 }
 
 task('processTestAotClasspath') {
+	dependsOn configurations.processTestAotClasspath 
 	doFirst {
-		tasks.findByName('processTestAot').classpath.files.each { println it }
+		configurations.processTestAotClasspath.files.each { println it }
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/plugin/SpringBootAotPluginIntegrationTests-processTestAotHasTransitiveRuntimeDependenciesOnItsClasspath.gradle

@@ -6,6 +6,17 @@ plugins {
 
 repositories {
 	mavenCentral()
+	maven { url 'file:repository' }
+}
+
+configurations.all {
+	resolutionStrategy {
+		eachDependency {
+			if (it.requested.group == 'org.springframework.boot') {
+				it.useVersion project.bootVersion
+			}
+		}
+	}
 }
 
 dependencies {
@@ -13,7 +24,8 @@ dependencies {
 }
 
 task('processTestAotClasspath') {
+	dependsOn configurations.processTestAotClasspath 
 	doFirst {
-		tasks.findByName('processTestAot').classpath.files.each { println it }
+		configurations.processTestAotClasspath.files.each { println it }
 	}
 }

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/repository/org/springframework/boot/spring-boot-dependencies/TEST-SNAPSHOT/spring-boot-dependencies-TEST-SNAPSHOT.pom

@@ -22,6 +22,11 @@
 				<artifactId>spring-boot-starter</artifactId>
 				<version>TEST-SNAPSHOT</version>
 			</dependency>
+			<dependency>
+				<groupId>org.junit.platform</groupId>
+				<artifactId>junit-platform-launcher</artifactId>
+				<version>1.9.1</version>
+			</dependency>
 		</dependencies>
 	</dependencyManagement>
 </project>