Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /home/superdentiste/public_html/vendor/google/auth/tests/Credentials/ServiceAccountCredentialsTest.php:39 Stack trace: #0 {main} thrown in /home/superdentiste/public_html/vendor/google/auth/tests/Credentials/ServiceAccountCredentialsTest.php on line 39