The triviality and non-value of her commends is not disputable as I am not the only person that sees that and despite the "rigor" she misses obvious bugs (I left some in in the latest PR just to make sure).
So all in all she's a no-value PITA. Despite that I've been kind and condescending so far but it's starting getting on my nerves as I have more urgent things to do than pacify or comply with such commends (e.g. BusVehicle should be named CoachAutomobile).
How do you deal with similar cases? What do you suggest?
Don't take it personally, don't make it about her personally or about her feelings of security or her competency or whether she's a PITA, definitely don't intentionally leave test bugs in your code.
Also, you can ask them for a patch with the suggestions (instead of dealing with a bunch of comments).
To me the difficult ones are the bad suggestions. In those cases, tell them why you disagree, and if they don't agree, ask them if they can commit their suggestions.
Lately I spend a lot of time trying to get my ego out of my code. I let the new guys and gals spend time pissing in the soup. I just use whatever weird Lombok Module/Code Standard/Static Code Scanner/New Library they choose and make it work one way or another. Then I look super cool when I download the source code for their new slick library and add a feature to cover a use case they are stuck on.
If it's something that will make stuff worse - I will explain why we should not do it.
If it's a comment about formatting the code, I would add a linter/prettier that will check/format the code automatically. If your colleague wants to have different rules, they can update the formatter config.