jkilpatr c443ba7f38 Exit with nonzero return code if Elastic indexing fails
At the end of a Browbeat run loop through all the tests and their results
to check if any failed to index, if so set the return code to 1.

This way tests will complete even if indexing fails but scripts and other
software checking the return code will fail out properly instead of allowing
data to be lost silently.

Change-Id: If1a7b2b41df35abbb8a6cc63d6003c1ae36664dd
2017-03-29 15:51:26 -04:00
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