[9.x]Improve Test ArrayAccess for Container (#43572)
[9.x]Improve Test ArrayAccess for Container (#43572)

* [9.x]Improve Test ArrayAccess for Container

test offsetSet when it's not instanceof Closure
offsetExists using isset() or empty()

* [9.x]Improve Test ArrayAccess for Container
laravel/framework,lucasmichot/framework,hafezdivandari/framework,hafezdivandari/framework,arturock/framework,laravel/framework,driesvints/framework,arturock/framework,arturock/framework,driesvints/framework,lucasmichot/framework