title: Laravel 5.5 dusk could not work
body: <p>I make a new Laravel project:</p>
  
  <pre><code>composer create-project laravel/laravel testing_laravel
  composer require laravel/dusk --dev 
  php artisan serve
  php artisan dusk
  </code></pre>
  
  <p>and then...</p>
  
  <pre><code>PHPUnit 6.3.1 by Sebastian Bergmann and contributors.
  
  F                                                                   1 /         1 (100%)
  
  Time: 1.12 seconds, Memory: 10.00MB
  
  There was 1 failure:
  
  1) Tests\Browser\ExampleTest::testBasicExample
  Did not see expected text [Laravel] within element [body].
  Failed asserting that false is true.
  
  /Users/nobuhiroharada/work/laracast/testing_laravel/vendor/laravel/dusk/src/Concerns/MakesAssertions.php:274
  /Users/nobuhiroharada/work/laracast/testing_laravel/vendor/laravel/dusk/src/Concerns/MakesAssertions.php:245
  /Users/nobuhiroharada/work/laracast/testing_laravel/tests/Browser/ExampleTest.php:20
  /Users/nobuhiroharada/work/laracast/testing_laravel/vendor/laravel/dusk/src/TestCase.php:92
  /Users/nobuhiroharada/work/laracast/testing_laravel/tests/Browser/ExampleTest.php:21
  
  FAILURES!
  Tests: 1, Assertions: 1, Failures: 1.
  </code></pre>
  
  <p>Chrome browser is not lauching.</p>
  
  <p>I am using macOS Sierra 10.12.1 on localhost.</p>
  
  <pre><code>"laravel/framework": "5.5.*",
  "laravel/dusk": "^2.0"
  </code></pre>
  
  <ul>
  <li>Google Chrome version: 61.0.3163.100</li>
  <li>ChromeDriver 2.31.488774</li>
  </ul>
  
  <p>Thank you very much for your help.</p>