added test_axhspan in test_datetime.py

[danielcobej]

I´ve added code for test_axhspan method in test_datetime.py mentioned in issue #26864

Image output: (edited)

PR summary

PR checklist

• resolves #26864
• new and changed code is tested
• Plotting related features are demonstrated in an example
• New Features and API Changes are noted with a directive and release note
• Documentation complies with general and docstring guidelines

[ksunden]

Neither of the axes have units on the y axis, which is the one that matters for axhspan. As such, no datetime values are being passed to the function we are trying to test.

[danielcobej]

Neither of the axes have units on the y axis, which is the one that matters for axhspan. As such, no datetime values are being passed to the function we are trying to test.

Sorry, it should be fixed now.

[ksunden]

Can you provide a new image that is produced?

[danielcobej]

Can you provide a new image that is produced?

Yes, just changed the old one in PR summary.