Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/admpnldg8/public_html/apps/prateekmobile/razorpay-php/tests/OAuthTokenClientTest.php:10 Stack trace: #0 {main} thrown in /home/admpnldg8/public_html/apps/prateekmobile/razorpay-php/tests/OAuthTokenClientTest.php on line 10