Help develop package

[vanthao03596]

I want to develop package with event sourcing. When i try to add projector with addProjectors in PackageProvider method packageRegistered, or packageBooted i got error ' Unresolvable dependency resolving [Parameter #0 [ array $config ]] in class Spatie\EventSourcing\Projectionist'
here i my package TestCase

https://github.com/vanthao03596/laravel-wallet-event-sourcing/blob/main/tests/TestCase.php