Interesting blog that we should shy from negative assertions like

assertNotEquals

https://nedbatchelder.com/blog/201811/careful_with_negative_assertions.html

What's a good emoji for thought provoking ?

I see this most commonly with integration tests for failure exit codes and exceptions. Both are ameliorated by having specific exit codes / exception types per failure mode and testing for the specific thing. So just like Ned notes. Restrict the space.