Nightly unit tests, linux #523

Job	Run time
Nightly 3.8 git-test-automl	20m 40s
Nightly 3.8 git-test-modelunderstanding	12m 48s
Nightly 3.8 git-test-other	12m 15s
Nightly 3.8 git-test-parallel	5m 21s
Nightly 3.8 git-test-prophet	8m 2s
Nightly 3.9 git-test-automl	19m 20s
Nightly 3.9 git-test-modelunderstanding	16m 44s
Nightly 3.9 git-test-other	11m 59s
Nightly 3.9 git-test-parallel	7m 1s
Nightly 3.9 git-test-prophet	7m 43s
	2h 1m 53s

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