Nightly unit tests, linux #583

Job	Run time
Nightly 3.8 git-test-automl	17m 43s
Nightly 3.8 git-test-modelunderstanding	10m 13s
Nightly 3.8 git-test-other	10m 23s
Nightly 3.8 git-test-parallel	4m 52s
Nightly 3.8 git-test-prophet	6m 16s
Nightly 3.9 git-test-automl	17m 23s
Nightly 3.9 git-test-modelunderstanding	10m 9s
Nightly 3.9 git-test-other	9m 25s
Nightly 3.9 git-test-parallel	4m 28s
Nightly 3.9 git-test-prophet	6m 16s
	1h 37m 8s

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