Add test for ZREMRANGEBYRANK with positive empty range.
Add test for ZREMRANGEBYRANK with positive empty range.

vishwaprakashmishra/xmatrix,vishwaprakashmishra/xmatrix,harrissoerja/vumi,TouK/vumi,TouK/vumi,TouK/vumi,vishwaprakashmishra/xmatrix,harrissoerja/vumi,harrissoerja/vumi