added tests

[sarthakmadaan]

No description provided.

[codecov-io]

Codecov Report

Merging #323 into master will increase coverage by 0.11%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #323      +/-   ##
==========================================
+ Coverage   97.61%   97.72%   +0.11%     
==========================================
  Files          20       20              
  Lines        1674     1674              
==========================================
+ Hits         1634     1636       +2     
+ Misses         40       38       -2

Impacted Files	Coverage Δ
dateparser/conf.py	100% <0%> (+2.08%)	⬆️
dateparser/timezone_parser.py	97.82% <0%> (+2.17%)	⬆️

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[asadurski]

Thank you Sarthak!
I made sure tests passed on current base.