inertiajs/inertia-laravel Testing Helpers

This package has been merged into inertiajs/inertia-laravel. This means that as of right now, this package WILL NOT be receiving any further (security) updates going forward.

If you haven't yet, it is highly recommended to migrate to inertiajs/inertia-laravel v0.4.0 or newer as soon as possible. Migrating only takes a couple of seconds, with no real implementation changes.