test/app/Http/Middleware/Cors.php

<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Log;

class Cors
{

    public function handle($request, Closure $next)
    {
        $response = $next($request);

        $response->header('Access-Control-Allow-Origin', "*");
        $response->header('Access-Control-Allow-Headers', '*');
        $response->header('Access-Control-Expose-Headers', '*');
        $response->header('Access-Control-Allow-Methods', '*');
        $response->header('Access-Control-Allow-Credentials', 'true');

        Log::info('cors');
        return $response;
    }
}