Add error annotations for test failures and errors #92

Job	Run time
Checkout JUnit reports	27s
Generate split indexes	3s
Test #0	1m 5s
Test #1	1m 1s
Test #3	1m 6s
Test #2	1m 4s
Merge JUnit reports with existing branch	30s
Merge JUnit reports with new branch	26s
	5m 42s

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