Fatal error: Uncaught Error: Class 'Omnipay\Tests\TestCase' not found in /home/app/htdocs/ninja/vendor/omnipay/common/tests/Omnipay/Common/HelperTest.php:8
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/omnipay/common/tests/Omnipay/Common/HelperTest.php on line 8