Nightly unit tests, linux #573

Job	Run time
Nightly 3.8 git-test-automl	17m 32s
Nightly 3.8 git-test-modelunderstanding	10m 22s
Nightly 3.8 git-test-other	9m 11s
Nightly 3.8 git-test-parallel	4m 30s
Nightly 3.8 git-test-prophet	6m 20s
Nightly 3.9 git-test-automl	16m 56s
Nightly 3.9 git-test-modelunderstanding	10m 12s
Nightly 3.9 git-test-other	9m 42s
Nightly 3.9 git-test-parallel	4m 36s
Nightly 3.9 git-test-prophet	6m 30s
	1h 35m 51s

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