Refactored unit tests for resolveNodeUrl()

[vikiCoder]

• Removed fixtures and added descriptive unit tests for resolveNodeUrl()

Closes: #14

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (149fd6b) to head (64a2caf).
⚠️ Report is 137 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff            @@
##           develop       #16   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            4         4           
  Lines          293       293           
  Branches        83        83           
=========================================
  Hits           293       293           

Flag	Coverage Δ
unit	100.00% <ø> (ø)

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