Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\laragon\www\Clinic\vendor\jetbrains\phpstorm-stubs\tests\CheckStubMapTest.php:8 Stack trace: #0 {main} thrown in C:\laragon\www\Clinic\vendor\jetbrains\phpstorm-stubs\tests\CheckStubMapTest.php on line 8