Correct way to test laravel middleware

middleware.php

<?php

namespace App\Http\Middleware;

use Closure;

class Sample
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request $request
     * @param  \Closure $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        return $next($request);
    }
}

test_case.php

<?php

namespace Middleware;

use App\Http\Middleware\Sample;
use Mockery;

class SampleMiTest extends \TestCase
{
    public function test_sample_middleware()
    {
        $response = $this->faker->md5;

        $request = Mockery::mock(\App\Http\Requests\Request::class);

        $request->shouldReceive('test')
            ->once()
            ->andReturn($response);

        $middleware = new Sample();

        $result = $middleware->handle($request, function ($r) {
            return $r->test();
        });

        $this->assertSame($response, $result);
    }
}