Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\fphosting.eu\sub\payments\airbank\vendor\google\gax\src\Testing\GeneratedTest.php:40 Stack trace: #0 {main} thrown in C:\xampp\htdocs\fphosting.eu\sub\payments\airbank\vendor\google\gax\src\Testing\GeneratedTest.php on line 40