Fatal error: Class 'Symfony\Component\Routing\Tests\Loader\AbstractAnnotationLoaderTest' not found in /var/www/html/dev/spa/vendor/symfony/routing/Symfony/Component/Routing/Tests/Loader/AnnotationFileLoaderTest.php on line 18

Call Stack:
    0.0004     244048   1. {main}() /var/www/html/dev/spa/vendor/symfony/routing/Symfony/Component/Routing/Tests/Loader/AnnotationFileLoaderTest.php:0