Nightly unit tests, linux #480

Job	Run time
Nightly 3.8 git-test-automl	26m 19s
Nightly 3.8 git-test-modelunderstanding	12m 54s
Nightly 3.8 git-test-other	10m 18s
Nightly 3.8 git-test-parallel	5m 28s
Nightly 3.8 git-test-prophet	9m 1s
Nightly 3.9 git-test-automl	19m 8s
Nightly 3.9 git-test-modelunderstanding	16m 47s
Nightly 3.9 git-test-other	13m 41s
Nightly 3.9 git-test-parallel	7m 15s
Nightly 3.9 git-test-prophet	8m 56s
	2h 9m 47s

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