protected function createAUser()
{
$args = func_get_args();
$newUser = User::create(['username' => $args[0], 'nickname' => $args[1], 'email' => $args[2], 'avatar' => $args[3]]);
$userRole = Role::whereName('user')->first();
$newUser->roles()->attach($userRole);
return $newUser;
}