jvmLocalCache was failing on Java 21 because the trick we used to test JvmLocalCache doesn't work with Gradle 8.5.

Author: nedtwigg

plugin-gradle/src/test/java/com/diffplug/gradle/spotless/ConfigurationCacheTest.java

@@ -20,6 +20,8 @@
 import org.gradle.testkit.runner.BuildResult;
 import org.gradle.testkit.runner.GradleRunner;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.EnabledForJreRange;
+import org.junit.jupiter.api.condition.JRE;
 
 public class ConfigurationCacheTest extends GradleIntegrationHarness {
 	@Override
@@ -63,6 +65,7 @@ public void helpConfiguresIfTasksAreCreated() throws IOException {
 	}
 
 	@Test
+	@EnabledForJreRange(max = JRE.JAVA_20)
 	public void jvmLocalCache() throws IOException {
 		setFile("build.gradle").toLines(
 				"plugins {",
@@ -91,6 +94,10 @@ public void jvmLocalCache() throws IOException {
 		gradleRunner().withArguments("spotlessApply").build();
 		assertFile("test.java").sameAsResource("java/googlejavaformat/JavaCodeFormatted.test");
 
+		// the withDebug forces it to start a new deamon, but only in Gradle 8.3 and older
+		// starting with Gradle 8.5 this doesn't work anymore
+		// and we need Gradle 8.5 for Java 21
+		// so we can't test this on Java 21 for now
 		BuildResult failure = gradleRunner().withDebug(true).withArguments("spotlessApply", "--stacktrace").buildAndFail();
 		failure.getOutput().contains("Spotless daemon-local cache is stale. Regenerate the cache with\n" +
 				"  rm -rf .gradle/configuration-cache\n" +