Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/luxurytr/public_html/lt8/vendor/ssnepenthe/color-utils/tests/Transformers/OpacifyTest.php:13
Stack trace:
#0 {main}
thrown in /home/luxurytr/public_html/lt8/vendor/ssnepenthe/color-utils/tests/Transformers/OpacifyTest.php on line 13