public function run()
 {
     $roles = ['client', 'admin', 'expeditor'];
     foreach ($roles as $role) {
         Role::create(['name' => $role]);
     }
 }
 public function run()
 {
     $user = User::create(['name' => 'Joni Oliveira', 'email' => '*****@*****.**', 'password' => bcrypt('secret')]);
     $user->roles()->sync(Role::whereIn('name', array('client', 'admin', 'expeditor'))->get());
 }