Ignore exceptions when deleting caches in bind cache tests

See gh-40760

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/BootBuildImageIntegrationTests.java

@@ -317,8 +317,17 @@ class BootBuildImageIntegrationTests {
 		Path launchCachePath = Paths.get(tempDir, "junit-image-cache-" + projectName + "-launch");
 		assertThat(buildCachePath).exists().isDirectory();
 		assertThat(launchCachePath).exists().isDirectory();
-		FileSystemUtils.deleteRecursively(buildCachePath);
-		FileSystemUtils.deleteRecursively(launchCachePath);
+		cleanupCache(buildCachePath);
+		cleanupCache(launchCachePath);
+	}
+
+	private static void cleanupCache(Path buildCachePath) {
+		try {
+			FileSystemUtils.deleteRecursively(buildCachePath);
+		}
+		catch (Exception ex) {
+			// ignore
+		}
 	}
 
 	@TestTemplate

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/BuildImageTests.java

@@ -419,11 +419,20 @@ class BuildImageTests extends AbstractArchiveIntegrationTests {
 				Path launchCachePath = Paths.get(tempDir, "junit-image-cache-" + testBuildId + "-launch");
 				assertThat(buildCachePath).exists().isDirectory();
 				assertThat(launchCachePath).exists().isDirectory();
-				FileSystemUtils.deleteRecursively(buildCachePath);
-				FileSystemUtils.deleteRecursively(launchCachePath);
+				cleanupCache(buildCachePath);
+				cleanupCache(launchCachePath);
 			});
 	}
 
+	private static void cleanupCache(Path buildCachePath) {
+		try {
+			FileSystemUtils.deleteRecursively(buildCachePath);
+		}
+		catch (Exception ex) {
+			// ignore
+		}
+	}
+
 	@TestTemplate
 	void whenBuildImageIsInvokedWithCreatedDate(MavenBuild mavenBuild) {
 		String testBuildId = randomString();