Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/cp482936/public_html/sdpiconsulting.com/app/php430/tests/LINEBot/SendFlexTest.php:52 Stack trace: #0 {main} thrown in /home/cp482936/public_html/sdpiconsulting.com/app/php430/tests/LINEBot/SendFlexTest.php on line 52