only update README badge from tests triggered by push events

old-commit-hash: c4674a3071

README.md

@@ -331,7 +331,7 @@ NO WARRANTY EXPRESSED OR IMPLIED.**
 
 <img src="https://d1qb2nb5cznatu.cloudfront.net/startups/i/1061157-bc7e9bf3b246ece7322e6ffe653f6af8-medium_jpg.jpg?buster=1458363130" width="75"></img> <img src="https://cdn-images-1.medium.com/max/1600/1*C87EjxGeMPrkTuVRVWVg4w.png" width="225"></img>
 
-[![openpilot tests](https://github.com/commaai/openpilot/workflows/openpilot%20tests/badge.svg)](https://github.com/commaai/openpilot/actions)
+[![openpilot tests](https://github.com/commaai/openpilot/workflows/openpilot%20tests/badge.svg?event=push)](https://github.com/commaai/openpilot/actions)
 [![Total alerts](https://img.shields.io/lgtm/alerts/g/commaai/openpilot.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/commaai/openpilot/alerts/)
 [![Language grade: Python](https://img.shields.io/lgtm/grade/python/g/commaai/openpilot.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/commaai/openpilot/context:python)
 [![Language grade: C/C++](https://img.shields.io/lgtm/grade/cpp/g/commaai/openpilot.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/commaai/openpilot/context:cpp)