补一下cleanLog降低的测试覆盖率

[Zack Guo]

Codecov Report

Merging #449 (8e4d573) into master (0d64d8a) will decrease coverage by 0.83%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master     #449      +/-   ##
==========================================
- Coverage   89.16%   88.33%   -0.84%     
==========================================
  Files          20       20              
  Lines         646      660      +14     
  Branches      102      108       +6     
==========================================
+ Hits          576      583       +7     
- Misses         69       76       +7     
  Partials        1        1              

Impacted Files	Coverage Δ
lib/core/runtime/capture/index.ts	77.37% <0.00%> (-2.94%)	⬇️
lib/core/logger/index.ts	81.88% <71.42%> (-0.62%)	⬇️
lib/core/runtime/dns.hack.ts	86.27% <100.00%> (ø)
lib/index.ts	84.37% <100.00%> (+1.04%)	⬆️

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Originally posted by @codecov[bot] in #449 (comment)