TravisCI is a continuous integration solution allowing you to run your tests each time you do a pull request. We advocate using it for unit tests as it is faster than Bitrise to execute them.
In order to make Travis working on your app, you need to create a .travis.yml file by running
We recommend using Travis for the tests as it comes with yarn preinstalled and allows you to save your Jest cache
yo rn-toolbox:travisci
Then you have to configure the branch on which you want to trigger travisCI webhook on :)