Support windows test

[zchee]

Support windows GOOS test.

[codecov]

Codecov Report

Merging #92 (0dc0df0) into master (ba06d25) will increase coverage by 0.0%.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master     #92   +/-   ##
======================================
  Coverage    62.8%   62.8%           
======================================
  Files          13      14    +1     
  Lines        2080    2081    +1     
======================================
+ Hits         1307    1308    +1     
  Misses        636     636           
  Partials      137     137           

Flag	Coverage Δ
linux-1.13	62.8% <ø> (ø)
linux-1.14	62.8% <ø> (+<0.1%)	⬆️
linux-1.15	62.8% <ø> (ø)
linux-1.16	62.8% <ø> (ø)
macos-1.13	62.8% <ø> (+<0.1%)	⬆️
macos-1.14	62.8% <ø> (ø)
macos-1.15	62.8% <ø> (+<0.1%)	⬆️
macos-1.16	62.8% <ø> (ø)
windows-1.13	62.0% <ø> (?)
windows-1.14	62.0% <ø> (?)
windows-1.15	62.0% <ø> (?)
windows-1.16	62.0% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
nvim/nvim_windows.go	100.0% <0.0%> (ø)

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