Nightly unit tests, linux #545

Job	Run time
Nightly 3.8 git-test-automl	17m 3s
Nightly 3.8 git-test-modelunderstanding	10m 20s
Nightly 3.8 git-test-other	12m 19s
Nightly 3.8 git-test-parallel	6m 36s
Nightly 3.8 git-test-prophet	6m 3s
Nightly 3.9 git-test-automl	16m 56s
Nightly 3.9 git-test-modelunderstanding	11m 30s
Nightly 3.9 git-test-other	10m 13s
Nightly 3.9 git-test-parallel	6m 43s
Nightly 3.9 git-test-prophet	6m 23s
	1h 44m 6s

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