GEOPY-1293: Deal with pylint disables in utils.numerical

[MatthieuCMira]

GEOPY-1293 - Deal with pylint disables in utils.numerical

change error messages for numeric_test
simplify the function to avoid intricated loops

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.55%. Comparing base (c64e2db) to head (49b187c).
⚠️ Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #141      +/-   ##
===========================================
+ Coverage    84.32%   84.55%   +0.22%     
===========================================
  Files           18       18              
  Lines          976      971       -5     
  Branches       127      129       +2     
===========================================
- Hits           823      821       -2     
+ Misses         114      112       -2     
+ Partials        39       38       -1     

Files with missing lines	Coverage Δ
geoapps_utils/utils/numerical.py	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes

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