more test edits

Author: Jab125

src/test/groovy/net/fabricmc/loom/test/integration/neoforge/NeoForge1205Test.groovy

@@ -35,11 +35,13 @@ import static org.gradle.testkit.runner.TaskOutcome.SUCCESS
 class NeoForge1205Test extends Specification implements GradleProjectTestTrait {
 	@Unroll
 	def "build #mcVersion #neoforgeVersion #mappings"() {
+		if (Integer.valueOf(System.getProperty("java.version").split("\\.")[0] < 21)) return // Do not run this test with Java 17
+
 		setup:
 		def gradle = gradleProject(project: "neoforge/12005", version: DEFAULT_GRADLE)
 		gradle.buildGradle.text = gradle.buildGradle.text.replace('@MCVERSION@', mcVersion)
 				.replace('@NEOFORGEVERSION@', neoforgeVersion)
-				.replace('@MAPPINGS@', mappings)
+				.replace('MAPPINGS', mappings) // Spotless doesn't like the @'s
 
 		when:
 		def result = gradle.run(task: "build")

src/test/resources/projects/neoforge/12005/build.gradle

@@ -38,9 +38,13 @@ repositories {
 dependencies {
 	// To change the versions see the gradle.properties file
 	minecraft "com.mojang:minecraft:$mcVersion"
-	mappings loom.layered {
-		it.mappings(@MAPPINGS@)
-		it.mappings(rootProject.rootDir.toPath().resolve("23w13a.tiny").toFile())
+	if ("@MAPPINGS@".equals("loom.officialMojangMappings()")) {
+		mappings loom.officialMojangMappings();
+	} else {
+		mappings loom.layered {
+			it.mappings(MAPPINGS)
+			it.mappings(rootProject.rootDir.toPath().resolve("23w13a.tiny").toFile())
+		}
 	}
 
 	neoForge "net.neoforged:neoforge:$neoforgeVersion"