MetricResultsChecker unit test fixed
MetricResultsChecker unit test fixed

It is producing duplicated results and no test was failing.

Signed off by: Daniel Miranda <danielkza2@gmail.com>

alvarofernandoms/kalibro_processor,mezuro/kalibro_processor,MezuroUNB20151/kalibro_processor,alvarofernandoms/kalibro_processor,MezuroUNB20151/kalibro_processor,mezuro/kalibro_processor,MezuroUNB20151/kalibro_processor,alvarofernandoms/kalibro_processor