Nightly unit tests, linux #580

Job	Run time
Nightly 3.8 git-test-automl	17m 1s
Nightly 3.8 git-test-modelunderstanding	10m 20s
Nightly 3.8 git-test-other	9m 31s
Nightly 3.8 git-test-parallel	4m 55s
Nightly 3.8 git-test-prophet	6m 19s
Nightly 3.9 git-test-automl	16m 52s
Nightly 3.9 git-test-modelunderstanding	10m 19s
Nightly 3.9 git-test-other	9m 45s
Nightly 3.9 git-test-parallel	4m 37s
Nightly 3.9 git-test-prophet	6m 19s
	1h 35m 58s

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