Merge pull request #15514 from eerovaher/clean-units #1

Job	Run time
Mandatory checks before CI	3s
tests / Load tox environments	9s
allowed_failures / Load tox environments	6s
allowed_failures / (Allowed Failure) Python 3.12 with remote data and dev version of key dependencies	15m 36s
allowed_failures / (Allowed Failure) Python 3.11 with dev version of matplotlib	12m 0s
tests / Python 3.11 with minimal dependencies and full coverage	14m 18s
tests / Python 3.10 in Parallel with all optional dependencies	12m 6s
tests / Python 3.9 with oldest supported version of all dependencies	16m 9s
tests / Python 3.10 with all optional dependencies (Windows)	12m 57s
tests / Python 3.10 with all optional dependencies (MacOS X)	22m 9s
tests / Python 3.9 Double test (Run tests twice)	14m 10s
	1h 59m 43s

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