Xendit #0009 - Load Testing

[jjjimenez100]

Background

Please implement load testing to ensure your service can handle a high amount of traffic

Acceptance Criteria

1. Implement load testing using artillery
   1. Create a PR against master of your fork including artillery
   2. Ensure that load testing is able to be run using npm test:load. You can consider using a tool like forever to spin up a daemon and kill it after the load test has completed.
   3. Test all endpoints under at least 100 rps for 30s and ensure that p99 is under 50ms

Description
The PR adds artillery as a dependency, as well as a load-testing yml config file to be used. The load test checks GET rides/, POST rides/, and GET rides/${id}.

Config file is set to ensure p99 is under 50ms.
Nodemon is used to spin up the server and automatically restart it, in any case that it crashes during the load testing.