Split *nix and Windows error formatting #3111

Job	Run time
gatekeeper	4s
changes	4s
env	1s
application_tester_draft / run (ubuntu-latest)	2m 52s
guitest_draft / run (windows-latest)	1m 34s
coverage_draft / generate and upload	3m 19s
scripttest_draft / run	1m 1s
application_tester / run (windows-latest)	5m 38s
application_tester / run (macos-latest)	4m 29s
guitest / run (ubuntu-latest)	1m 24s
guitest / run (macos-latest)	2m 31s
ubuntu / build	5m 54s
mac / build	6m 54s
pytest / run (windows-latest)	5m 24s
pytest / run (macos-latest)	6m 20s
documentation / build	38s
windows / build	48s
	48m 55s

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