Nightly unit tests, linux #528

Job	Run time
Nightly 3.8 git-test-automl	18m 47s
Nightly 3.8 git-test-modelunderstanding	12m 32s
Nightly 3.8 git-test-other	13m 5s
Nightly 3.8 git-test-parallel	6m 13s
Nightly 3.8 git-test-prophet	7m 20s
Nightly 3.9 git-test-automl	19m 3s
Nightly 3.9 git-test-modelunderstanding	13m 41s
Nightly 3.9 git-test-other	12m 19s
Nightly 3.9 git-test-parallel	6m 1s
Nightly 3.9 git-test-prophet	7m 32s
	1h 56m 33s

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