Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/myclienteu/api-mixmove/vendor/ivome/graphql-relay-php/tests/Connection/SeparateConnectionTest.php:17 Stack trace: #0 {main} thrown in /home/myclienteu/api-mixmove/vendor/ivome/graphql-relay-php/tests/Connection/SeparateConnectionTest.php on line 17