Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/cooperativamaism/public_html/staging/vendor/solspace/craft3-commons/tests/Configurations/BaseConfigurationTest.php:14 Stack trace: #0 {main} thrown in /home/cooperativamaism/public_html/staging/vendor/solspace/craft3-commons/tests/Configurations/BaseConfigurationTest.php on line 14