Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/custom/public_html/katiekarr/vendor/srmklive/paypal/tests/Unit/Client/InvoicesTest.php:11
Stack trace:
#0 {main}
thrown in /home/custom/public_html/katiekarr/vendor/srmklive/paypal/tests/Unit/Client/InvoicesTest.php on line 11