Ensure commits are squashed.
Thoroughly review each change for errors or departures from the Robottelo code standards.
If you note something that should be changed, or want clarification, add a comment to the line of code or the PR as a whole.
If tests were added, ensure the PR includes the results or simply a message stating “All tests passed.” or “Unable to run tests at this time due to _____.”
Don’t merge unless there have been two ACKs.
Don’t merge unless the PR passes the Travis CI build.
Once all the above criteria have been met, and the author has completed all changes, then you may merge.
Elaborate on the process.