Refactor for testability #251

Job	Run time
Run Integration Large Output Tests	4m 23s
Run Integration continue_on_error Tests	55s
Run Integration Env Var Tests	24s
Run Integration Tests	58s
Run Integration Tests (on_retry_command)	1m 40s
Run Integration retry_on_exit_code Tests	40s
Run Integration Tests (retry_wait_seconds)	1m 20s
Run Integration Timeout Tests (minutes)	2m 41s
Run Integration Timeout Tests (retry_on error)	56s
Run Integration Timeout Tests (retry_on timeout)	52s
Run Unit Tests	32s
Run Integration Timeout Tests (seconds)	1m 14s
Run Windows Tests	1m 31s
All tests passed	0s
Publish Action	0s
	18m 6s

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