Nightly unit tests, linux #576

Job	Run time
Nightly 3.8 git-test-automl	16m 58s
Nightly 3.8 git-test-modelunderstanding	10m 0s
Nightly 3.8 git-test-other	10m 24s
Nightly 3.8 git-test-parallel	4m 22s
Nightly 3.8 git-test-prophet	6m 26s
Nightly 3.9 git-test-automl	16m 56s
Nightly 3.9 git-test-modelunderstanding	9m 51s
Nightly 3.9 git-test-other	9m 36s
Nightly 3.9 git-test-parallel	4m 25s
Nightly 3.9 git-test-prophet	6m 22s
	1h 35m 20s

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