Update spring-boot-loader-tests to use docker-test plugin

See gh-41228

spring-boot-tests/spring-boot-integration-tests/spring-boot-loader-tests/build.gradle

@@ -1,7 +1,7 @@
 plugins {
 	id "java"
 	id "org.springframework.boot.conventions"
-	id "org.springframework.boot.integration-test"
+	id "org.springframework.boot.docker-test"
 	id "de.undercouch.download"
 }
 
@@ -21,16 +21,15 @@ dependencies {
 	app project(path: ":spring-boot-project:spring-boot-starters:spring-boot-starter", configuration: "mavenRepository")
 	app("org.bouncycastle:bcprov-jdk18on:1.78.1")
 
-	intTestImplementation(enforcedPlatform(project(":spring-boot-project:spring-boot-parent")))
+	dockerTestImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
-	intTestImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
+	dockerTestImplementation(project(":spring-boot-project:spring-boot-starters:spring-boot-starter-test"))
-	intTestImplementation(project(":spring-boot-project:spring-boot-starters:spring-boot-starter-test"))
+	dockerTestImplementation("org.testcontainers:junit-jupiter")
-	intTestImplementation("org.testcontainers:junit-jupiter")
+	dockerTestImplementation("org.testcontainers:testcontainers")
-	intTestImplementation("org.testcontainers:testcontainers")
 }
 
 task syncMavenRepository(type: Sync) {
 	from configurations.app
-	into "${buildDir}/int-test-maven-repository"
+	into "${buildDir}/docker-test-maven-repository"
 }
 
 task syncAppSource(type: org.springframework.boot.build.SyncAppSource) {
@@ -74,10 +73,10 @@ task syncJdkDownloads(type: Sync) {
 	into "${project.buildDir}/downloads/jdk/oracle/"
 }
 
-processIntTestResources {
+tasks.named("processDockerTestResources").configure {
 	dependsOn syncJdkDownloads
 }
 
-intTest {
+tasks.named("dockerTest").configure {
 	dependsOn buildApp, buildSignedJarApp
 }

spring-boot-tests/spring-boot-integration-tests/spring-boot-loader-tests/spring-boot-loader-tests-app/build.gradle

@@ -1,14 +1,12 @@
 plugins {
 	id "java"
 	id "org.springframework.boot"
-//  id 'org.springframework.boot' version '3.1.4'
-//  id 'io.spring.dependency-management' version '1.1.3'
 }
 
 apply plugin: "io.spring.dependency-management"
 
 repositories {
-	maven { url "file:${rootDir}/../int-test-maven-repository"}
+	maven { url "file:${rootDir}/../docker-test-maven-repository"}
 	mavenCentral()
 	maven { url "https://repo.spring.io/snapshot" }
 	maven { url "https://repo.spring.io/milestone" }

spring-boot-tests/spring-boot-integration-tests/spring-boot-loader-tests/spring-boot-loader-tests-app/settings.gradle

@@ -1,6 +1,6 @@
 pluginManagement {
 	repositories {
-		maven { url "file:${rootDir}/../int-test-maven-repository"}
+		maven { url "file:${rootDir}/../docker-test-maven-repository"}
 		mavenCentral()
 		maven { url "https://repo.spring.io/snapshot" }
 		maven { url "https://repo.spring.io/milestone" }

spring-boot-tests/spring-boot-integration-tests/spring-boot-loader-tests/spring-boot-loader-tests-signed-jar/build.gradle

@@ -8,7 +8,7 @@ plugins {
 apply plugin: "io.spring.dependency-management"
 
 repositories {
-	maven { url "file:${rootDir}/../int-test-maven-repository"}
+	maven { url "file:${rootDir}/../docker-test-maven-repository"}
 	mavenCentral()
 	maven { url "https://repo.spring.io/snapshot" }
 	maven { url "https://repo.spring.io/milestone" }

spring-boot-tests/spring-boot-integration-tests/spring-boot-loader-tests/spring-boot-loader-tests-signed-jar/settings.gradle

@@ -1,6 +1,6 @@
 pluginManagement {
 	repositories {
-		maven { url "file:${rootDir}/../int-test-maven-repository"}
+		maven { url "file:${rootDir}/../docker-test-maven-repository"}
 		mavenCentral()
 		maven { url "https://repo.spring.io/snapshot" }
 		maven { url "https://repo.spring.io/milestone" }

spring-boot-tests/spring-boot-integration-tests/spring-boot-loader-tests/src/dockerTest/java/org/springframework/boot/loader/LoaderIntegrationTests.java

@@ -156,7 +156,7 @@ class LoaderIntegrationTests {
 
 		static JavaRuntime oracleJdk17() {
 			ImageFromDockerfile image = new ImageFromDockerfile("spring-boot-loader/oracle-jdk");
-			image.withFileFromFile("Dockerfile", new File("src/intTest/resources/conf/oracle-jdk-17/Dockerfile"));
+			image.withFileFromFile("Dockerfile", new File("src/dockerTest/resources/conf/oracle-jdk-17/Dockerfile"));
 			for (File file : new File("build/downloads/jdk/oracle").listFiles()) {
 				image.withFileFromFile("downloads/" + file.getName(), file);
 			}