Wait timeout exception handling #3

Job	Run time
collab-check	3s
wait-for-approval	3s
detect-changes	9s
codestyle-doc-tests (sagemaker-train)	5m 57s
integ-tests (sagemaker-train)	49m 19s
unit-tests (sagemaker-train)	22m 53s
	1h 18m 24s

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