Access Level Error with Laravel 5.4

[ashfakshibli]

While running example according to setup getting this error. Any solution?
Fatal error: Access level to Laracasts\Integrated\Extensions\Traits\LaravelTestCase::get() must be public (as in class Illuminate\Foundation\Testing\TestCase) in D:\SoftProjects\CodeCuet\vendor\laracasts\integrated\src\Extensions\Laravel.php on line 9

PHP Fatal error: Access level to Laracasts\Integrated\Extensions\Traits\LaravelTestCase::get() must be public (as in class Illuminate\Foundation\Testing\TestCase) in D:\SoftProjects\CodeCuet\vendor\laracasts\integrated\src\Extensions\Laravel.php on line 9

[morawcik]

Same for me :(