Add error annotations for test failures and errors #89

Job	Run time
Checkout JUnit reports	28s
Generate split indexes	6s
Test #2	1m 4s
Test #1	1m 8s
Test #3	1m 8s
Test #0	58s
Merge JUnit reports with existing branch	2m 0s
Merge JUnit reports with new branch	1s
	6m 53s

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