I have an issue testing functions that generate formatted output. For example:
1) Create a new testing notebook and a new test like this:
2) Now execute the test (it fails as expected)
3) Now click the "Replace Output" button and run it again:
Why is it failing? Lets show the cell expressions to see if there is a hidden difference:
I don't see any significant difference. So my question is: is this a bug or should I do something different when testing functions that generate grids?
In the meanwhile, I have found that this works:
Testing functions that generate grids fails in this simple example: