Nightly unit tests, linux #578

Job	Run time
Nightly 3.8 git-test-automl	17m 10s
Nightly 3.8 git-test-modelunderstanding	10m 16s
Nightly 3.8 git-test-other	9m 33s
Nightly 3.8 git-test-parallel	4m 30s
Nightly 3.8 git-test-prophet	6m 15s
Nightly 3.9 git-test-automl	17m 11s
Nightly 3.9 git-test-modelunderstanding	10m 14s
Nightly 3.9 git-test-other	9m 29s
Nightly 3.9 git-test-parallel	4m 42s
Nightly 3.9 git-test-prophet	6m 18s
	1h 35m 38s

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