Failing test for array cast.

[edalzell]

References: https://github.com/WendellAdriel/laravel-lift/discussions/45

Here's a failing test for the array cast issue mentioned in the discussion above.

[WendellAdriel]

Thanks @edalzell
I won't merge this now, because I'll wait to see which way the discussion will lead to.
But I'll leave it open to merge later on

[WendellAdriel]

@edalzell I'm updating this to be merged in the branch I'll work for the workaround to test the workaround discussed in #45 with your test, thanks!