Bug 541353 - Improve logging in error cases

This change adds the actual deltas observed during the test, to the test
fail message. This would allow to better distinguishing between
different fail cases and woul help analyzing the failures further.

Change-Id: I865a461c5cd827f5fccc07e6fb25cab839e333a6
Signed-off-by: Simeon Andreev <simeon.danailov.andreev@gmail.com>
1 file changed