build(tests): fix coveralls and enable build cop

[bcoe]

No description provided.

[codecov]

Codecov Report

Merging #740 into master will increase coverage by 0.16%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #740      +/-   ##
==========================================
+ Coverage   89.51%   89.67%   +0.16%     
==========================================
  Files          44       44              
  Lines        7314     7314              
  Branches      421      451      +30     
==========================================
+ Hits         6547     6559      +12     
+ Misses        764      752      -12     
  Partials        3        3

Impacted Files	Coverage Δ
src/fallback.ts	73.68% <0%> (+0.23%)	⬆️
src/grpc.ts	89.23% <0%> (+1.13%)	⬆️
tools/compileProtos.ts	93.28% <0%> (+1.34%)	⬆️
src/streamingCalls/streamingApiCaller.ts	89.24% <0%> (+3.22%)	⬆️

---

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 e864833...a446285. Read the comment docs.