Fix constructor test skips and imports for MacOS (#709) #1269

Job	Run time
macos, Python 3.8, conda-standalone	53m 41s
macos, Python 3.9, conda-standalone	45m 58s
macos, Python 3.10, micromamba	37m 58s
macos, Python 3.11, conda-standalone	47m 32s
ubuntu, Python 3.8, conda-standalone	28m 11s
ubuntu, Python 3.9, conda-standalone	27m 9s
ubuntu, Python 3.10, conda-standalone	24m 40s
ubuntu, Python 3.11, conda-standalone	26m 21s
windows, Python 3.8, conda-standalone	29m 22s
windows, Python 3.9, conda-standalone	34m 0s
windows, Python 3.10, conda-standalone	40m 39s
windows, Python 3.11, conda-standalone	37m 39s
ubuntu, Python 3.9, micromamba	20m 50s
Canary Build (ubuntu-latest, linux-64)	6m 26s
Canary Build (macos-latest, osx-64)	10m 28s
Canary Build (windows-latest, win-64)	13m 6s
	8h 4m 0s

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