Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\astra-backoffice\vendor\sebastian\diff\tests\Output\AbstractChunkOutputBuilderTest.php:23
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\astra-backoffice\vendor\sebastian\diff\tests\Output\AbstractChunkOutputBuilderTest.php on line 23