Fatal error: Class 'PHPUnit_Framework_TestCase' not found in /var/www/html/dev/spa/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Tests/AcceptHeaderTest.php on line 18

Call Stack:
    0.0007     258144   1. {main}() /var/www/html/dev/spa/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Tests/AcceptHeaderTest.php:0