close producer in integration test

[ylgrgyq]

No description provided.

[codecov]

Codecov Report

Merging #23 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #23   +/-   ##
=========================================
  Coverage     89.46%   89.46%           
  Complexity      279      279           
=========================================
  Files            25       25           
  Lines           845      845           
  Branches         86       86           
=========================================
  Hits            756      756           
  Misses           41       41           
  Partials         48       48           

---

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 b00ff54...d6b9c73. Read the comment docs.