Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\astra-backoffice\vendor\ralouphie\getallheaders\tests\GetAllHeadersTest.php:7
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\astra-backoffice\vendor\ralouphie\getallheaders\tests\GetAllHeadersTest.php on line 7