We have some tests that from time to time fail in our CI jobs:

• 1) Symfony\Bundle\FrameworkBundle\Tests\Functional\CachePoolsTest::testCachePoolsFailed asserting that true is false./home/runner/work/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/CachePoolsTest.php:93/home/runner/work/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/CachePoolsTest.php:24

• 1) Symfony\Component\HttpClient\Tests\AmpHttpClientTest::testNonBlockingStreamFailed asserting that two strings are identical.--- Expected+++ Actual@@ @@-'<1>'+''/home/runner/work/symfony/symfony/src/Symfony/Component/HttpClient/Tests/HttpClientTestCase.php:128

• 1) Symfony\Component\ErrorHandler\Tests\ErrorEnhancer\ClassNotFoundErrorEnhancerTest::testEnhance with data set #4 ('Interface "Foo\Bar\WhizBangIn... found', 'Attempted to load interface "...space?')UnexpectedValueException: RecursiveDirectoryIterator::__construct(/home/runner/work/symfony/symfony/src/Symfony/Component/AssetMapper/Tests/Fixtures/.!!AB1/cache/test/Symfony/Config/Framework/Assets): Failed to open directory: No such file or directory

PRs welcome to make them more resilient.