Fatal error: Class 'Symfony\Component\Filesystem\Tests\FilesystemTestCase' not found in /var/www/html/dev/spa/vendor/symfony/filesystem/Symfony/Component/Filesystem/Tests/FilesystemTest.php on line 20

Call Stack:
    0.0021     500168   1. {main}() /var/www/html/dev/spa/vendor/symfony/filesystem/Symfony/Component/Filesystem/Tests/FilesystemTest.php:0