Fatal error: Uncaught Error: Class "tests\TestCase" not found in /home/ccmobileslide/public_html/think/vendor/topthink/think-image/tests/FlipTest.php:15 Stack trace: #0 {main} thrown in /home/ccmobileslide/public_html/think/vendor/topthink/think-image/tests/FlipTest.php on line 15