Check if the path is valid when using WithPath(...)

[StefH]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 34.61%. Comparing base (dfeabf2) to head (a4b0e47).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...tractions/BuilderExtensions/RequestModelBuilder.cs	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1377      +/-   ##
==========================================
+ Coverage   34.55%   34.61%   +0.06%     
==========================================
  Files         152      165      +13     
  Lines       37040    41745    +4705     
==========================================
+ Hits        12799    14452    +1653     
- Misses      23755    26789    +3034     
- Partials      486      504      +18     

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