Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -33,4 +33,4 @@ Please write a commit message with Fixes Issue # if there is an outstanding issu
 
 Please run go fmt on the project directory. Lint can be okay (for example, comments on exported functions are nice but not required on the server). 
 
-Integration testing is coming soon! When these exist make sure the integration tests pass :). For now, if you need help manually testing reach out to us on [Slack](https://join.slack.com/t/kubecost/shared_invite/enQtNTA2MjQ1NDUyODE5LTg0MzYyMDIzN2E4M2M5OTE3NjdmODJlNzBjZGY1NjQ3MThlODVjMGY3NWZlNjQ5NjIwNDc2NGU3MWNiM2E5Mjc). To generalize, if you hit the /costDataModel?timeWindow=1d endpoint and haven’t changed allocation code, the project isn't completely broken.
+Please email us (team@kubecost.com) or reach out to us on [Slack](https://join.slack.com/t/kubecost/shared_invite/enQtNTA2MjQ1NDUyODE5LWFjYzIzNWE4MDkzMmUyZGU4NjkwMzMyMjIyM2E0NGNmYjExZjBiNjk1YzY5ZDI0ZTNhZDg4NjlkMGRkYzFlZTU) if you need help or have any questions!