It seems like new SilverStripe\ModuleR...zerCheck($this->client) of type SilverStripe\ModuleRatings\Check\ScrutinizerCheck is incompatible with the declared type SilverStripe\ModuleRatings\Check\CIPassingCheck of property $check.
Our type inference engine has found an assignment to a property that is incompatible
with the declared type of that property.
Either this assignment is in error or the assigned type should be added
to the documentation/type hint for that property..
$suite = (new CheckSuite())->setRepositorySlug('foo/bar');