bug(#20): tmp file in to-json.test.js

[h1alexbel]

In this PR I've replaced real file creation in afterEach block with tmp file in order to gracefully clean up resources.

see #20
History:

• feat(remove test.json from release package #20): ignore .github in npm
• bug(remove test.json from release package #20): tmp

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 18.75%. Comparing base (10509e8) to head (47970b2).
Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #91   +/-   ##
=======================================
  Coverage   18.75%   18.75%           
=======================================
  Files          10       10           
  Lines         192      192           
  Branches       41       41           
=======================================
  Hits           36       36           
  Misses        156      156           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[h1alexbel]

@rultor merge

[rultor]

@rultor merge

@h1alexbel OK, I'll try to merge now. You can check the progress of the merge here.

[rultor]

@rultor merge

@h1alexbel Done! FYI, the full log is here (took me 7min).