Fatal error: Uncaught Error: Class 'Yoast\PHPUnitPolyfills\TestCases\TestCase' not found in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/openidconnect/vendor/jumbojett/openid-connect-php/tests/OpenIDConnectClientTest.php:8 Stack trace: #0 {main} thrown in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/openidconnect/vendor/jumbojett/openid-connect-php/tests/OpenIDConnectClientTest.php on line 8