Disable a flaky configuration cache test failure that started with Gradle 8.5 (#1940)

Author: nedtwigg

.github/workflows/ci.yml

@@ -85,3 +85,4 @@ jobs:
         with:
           check_name: JUnit ${{ matrix.kind }} ${{ matrix.jre }} ${{ matrix.os }}
           report_paths: '*/build/test-results/*/TEST-*.xml'
+          check_retries: true

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2021 DiffPlug
+ * Copyright 2016-2023 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -54,7 +54,8 @@ protected GradleRunner gradleRunner() throws IOException {
 	}
 
 	@ParameterizedTest
-	@ValueSource(ints = {0, 1})
+	//@ValueSource(ints = {0, 1}) // TODO: this is a flaky configuration cache issue that started with Gradle 8.5
+	@ValueSource(ints = {0})
 	void singleProjectExhaustive(int useConfigCache) throws Exception {
 		try (Git git = initRepo()) {
 			if (useConfigCache == 1) {
@@ -153,7 +154,8 @@ private BuildResultAssertion assertFail(String... tasks) throws Exception {
 	private static final String BASELINE_DIRTY = "4cfc3358ccbf186738b82a60276b1e5306bc3870";
 
 	@ParameterizedTest
-	@ValueSource(ints = {0, 1})
+	//@ValueSource(ints = {0, 1}) // TODO: this is a flaky configuration cache issue that started with Gradle 8.5
+	@ValueSource(ints = {0})
 	void multiProject(int useConfigCache) throws Exception {
 		try (Git git = initRepo()) {
 			if (useConfigCache == 1) {