Status checks randomly broken

[native-api]

Known Issue: Travis CI reports "Expected - Waiting for status to be reported" on the GitHub Status API, but the status never arrives

Symptom Your repository stopped receiving status updates. In your PR, you see something like this: [46544692-94c6c580-c8c4-11e8-9d8c-d667e32f3cba] Explanation As part of our gradual migration to the Travis CI GitHub App, that now uses GitHub Checks to report build statuses, we kept posting both GitHub Checks as well as the old commit statuses for some time to not break repositories using the commit statuses in their protected branches settings and give time to do the change to use the new Che…