If you wish to contribute to the project, please read the following document.
Unit tests can be run via either command:
$ php artisan test
$ composer test
Shortie's unit tests are written using Pest. This should mostly be familiar if you have used PHPUnit before.
Every new feature will expect unit tests to pass in addition to having additional tests alongside.
Laravel Pint is used to keep the code formatting consistent. To run:
$ ./vendor/bin/pint