TST: Test NEP50
https://numpy.org/neps/nep-0050-scalar-promotion.html
First Run: `2022-09-30T18:50:37.3831338Z = 824 failed, 150426 passed, 18621 skipped, 1026 xfailed, 8 xpassed, 381 warnings, 16 errors in 6970.92s (1:56:10) =` This pull request is stale because it has been open for thirty days with no activity. Please [update](https://pandas.pydata.org/pandas-docs/stable/development/contributing.html#updating-your-pull-request) and respond to this comment if you're still interested in working on this. still active? I'll mothball this. I need to come back around to testing this relateively soon