Fix: Add more test cases for sniffing JSON without whitespace

[localheinz]

This PR

• adds more test cases for sniffing JSON without whitespace

[codecov]

Codecov Report

Merging #67 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             master    #67   +/-   ##
=======================================
  Coverage       100%   100%           
  Complexity      108    108           
=======================================
  Files            13     13           
  Lines           314    314           
=======================================
  Hits            314    314

---

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 25d1f06...f55fb6d. Read the comment docs.