Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\laravel-api-back01\vendor\namshi\jose\tests\Namshi\JOSE\Test\Signer\OpenSSL\KeyFormatTest.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\laravel-api-back01\vendor\namshi\jose\tests\Namshi\JOSE\Test\Signer\OpenSSL\KeyFormatTest.php on line 8