Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\laragon\www\loyal\vendor\jetbrains\phpstorm-stubs\tests\Unit\Parsers\Serializers\PHPInterfaceSerializerTest.php:9 Stack trace: #0 {main} thrown in D:\laragon\www\loyal\vendor\jetbrains\phpstorm-stubs\tests\Unit\Parsers\Serializers\PHPInterfaceSerializerTest.php on line 9