Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/eshoppy/api.eshoppy.com.in/vendor-firebase/riverline/multipart-parser/tests/StreamedPartTest.php:19 Stack trace: #0 {main} thrown in /home/eshoppy/api.eshoppy.com.in/vendor-firebase/riverline/multipart-parser/tests/StreamedPartTest.php on line 19