Move process ProcessStarter to main source set

platform-tooling-support-tests/platform-tooling-support-tests.gradle.kts

@@ -13,7 +13,7 @@ plugins {
 }
 
 javaLibrary {
-	mainJavaVersion = JavaVersion.VERSION_11
+	mainJavaVersion = JavaVersion.VERSION_21
 }
 
 spotless {
@@ -50,16 +50,19 @@ dependencies {
 	implementation(libs.commons.io) {
 		because("moving/deleting directory trees")
 	}
+	implementation(libs.groovy4) {
+		because("it provides convenience methods to handle process output")
+	}
+	implementation(libs.opentest4j) {
+		because("it throws TestAbortedException to abort tests")
+	}
 
 	testImplementation(libs.archunit) {
 		because("checking the architecture of JUnit 5")
 	}
 	testImplementation(libs.apiguardian) {
 		because("we validate that public classes are annotated")
 	}
-	testImplementation(libs.groovy4) {
-		because("it provides convenience methods to handle process output")
-	}
 	testImplementation(libs.bndlib) {
 		because("parsing OSGi metadata")
 	}

platform-tooling-support-tests/src/test/java/platform/tooling/support/process/ProcessResult.java → platform-tooling-support-tests/src/main/java/platform/tooling/support/process/ProcessResult.java

@@ -14,6 +14,7 @@
 import java.util.List;
 
 public record ProcessResult(int exitCode, Duration duration, String stdOut, String stdErr) {
+
 	public List<String> stdOutLines() {
 		return stdOut.lines().toList();
 	}

platform-tooling-support-tests/src/test/java/platform/tooling/support/process/ProcessStarters.java → platform-tooling-support-tests/src/main/java/platform/tooling/support/process/ProcessStarters.java

@@ -52,8 +52,7 @@ public static ProcessStarter gradlew() {
 
 	public static ProcessStarter maven() {
 		var starter = new ProcessStarter() //
-				.executable(Path.of(System.getProperty("mavenDistribution")).resolve("bin/mvn")) //
-				.putEnvironment("JAVA_HOME", getGradleJavaHome().orElseThrow(TestAbortedException::new));
+				.executable(Path.of(System.getProperty("mavenDistribution")).resolve("bin/mvn"));
 		return withCommonEnvironmentVariables(starter);
 	}
 

platform-tooling-support-tests/src/main/java/platform/tooling/support/process/package-info.java

@@ -0,0 +1,7 @@
+/**
+ * Utilities for working with processes.
+ *
+ * @since 1.12
+ */
+
+package platform.tooling.support.process;