/v1/locks/redis: add test function for redis lock

[tianhongw]

No description provided.

[codecov]

Codecov Report

Merging #630 (9b0d323) into master (ed5f054) will increase coverage by 0.20%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #630      +/-   ##
==========================================
+ Coverage   37.41%   37.61%   +0.20%     
==========================================
  Files          36       37       +1     
  Lines        3122     3166      +44     
==========================================
+ Hits         1168     1191      +23     
- Misses       1806     1821      +15     
- Partials      148      154       +6     

Impacted Files	Coverage Δ
v1/locks/redis/redis.go	52.27% <0.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7b012bb...9b0d323. Read the comment docs.