Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/nixap/ddd.nixap.space/vendor/league/oauth1-client/tests/PlainTextSignatureTest.php:9
Stack trace:
#0 {main}
thrown in /home/nixap/ddd.nixap.space/vendor/league/oauth1-client/tests/PlainTextSignatureTest.php on line 9