*   Update Dockerfile, add for methods setUp and tearDown return type hint in all tests, replace fire on dispatch

* Resolve error test with touch

* Use COMPOSER_VERSION in Dockerfile

* Add alias for composer

* Change parent method's names
Broken commit in laravel: https://github.com/laravel/framework/commit/2ee18923eaff142a89439f0adf0d3f15c30db85b

* Remove changes in .travis.yml

* Remove changes from Dockerfile

* Revert changes in docker-compose.yml

* Update image with mysql