Configure pytest and tests tree for coverage #821

Job	Run time
lint	34s
integration (tests-noqueue, QuickTest)	1m 47s
integration (tests-noqueue, BuildFailedTest)	38s
integration (tests-noqueue, RepositoryTests)	33s
integration (tests-noqueue, TestBertE)	5m 40s
integration (tests-noqueue, TestQueueing)	34s
unit (utests)	1m 2s
integration (tests-noqueue, TaskQueueTests)	3m 27s
unit (tests-api-mock)	54s
integration (tests, QuickTest)	1m 40s
unit (tests-server)	50s
integration (tests, BuildFailedTest)	39s
integration (tests, RepositoryTests)	33s
integration (tests, TestBertE)	7m 16s
integration (tests, TestQueueing)	5m 32s
integration (tests, TaskQueueTests)	3m 33s
	35m 12s

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