Updated PR guidelines in the README.
@@ -152,6 +152,7 @@ Flags:
We welcome pull requests from the community.
## Guidelines
* Before creating your first pull request, please join our contributors community by signing [JFrog's CLA](https://secure.echosign.com/public/hostedForm?formid=5IYKLZ2RXB543N).
+* If the existing tests do not already cover your changes, please add tests..
* Pull requests should be created on the *dev* branch.
* Please use [gofmt](https://golang.org/cmd/gofmt/) for formatting the code before submitting the pull request.
