Fatal error: Class 'Symfony\Component\Translation\Tests\Loader\LocalizedTestCase' not found in /var/www/html/dev/spa/vendor/symfony/translation/Symfony/Component/Translation/Tests/Loader/IcuDatFileLoaderTest.php on line 18

Call Stack:
    0.0006     248856   1. {main}() /var/www/html/dev/spa/vendor/symfony/translation/Symfony/Component/Translation/Tests/Loader/IcuDatFileLoaderTest.php:0