Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/cooperativamaism/public_html/staging/vendor/commerceguys/addressing/tests/LocaleTest.php:12 Stack trace: #0 {main} thrown in /home/cooperativamaism/public_html/staging/vendor/commerceguys/addressing/tests/LocaleTest.php on line 12