Fatal error: Class 'PHPUnit_Framework_TestCase' not found in /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Foundation/Testing/TestCase.php on line 6

Call Stack:
    0.0012     289984   1. {main}() /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Foundation/Testing/TestCase.php:0