update

.travis.yml

@@ -41,7 +41,7 @@ install:
   - php artisan admin:install
   - php artisan migrate:rollback
   - php artisan dusk:chrome-driver
-  - php artisan dusk:update 81
+  - php artisan dusk:update 79
   - cp -f ./tests/routes.php ./app/Admin/
   - cp -rf ./tests/resources/config ./config/