fix options test

[zmj97]

No description provided.

[codecov-io]

Codecov Report

Merging #140 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master     #140   +/-   ##
=======================================
  Coverage   98.71%   98.71%           
=======================================
  Files           1        1           
  Lines          78       78           
  Branches       27       27           
=======================================
  Hits           77       77           
  Misses          1        1

Impacted Files	Coverage Δ
src/clean-webpack-plugin.ts	98.71% <100%> (ø)	⬆️

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