test(cucumber): join all paths with path module

[Ugzuzg]

Which problem is this PR solving?

• Addresses Platform-Specific Path Assertion Error: Windows vs. Unix Root Path Mismatch in Tests #2490 for cucumber instrumentation.

Short description of the changes

• Join all paths with path.join.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.96%. Comparing base (ce62d8c) to head (d93b197).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2694   +/-   ##
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  Coverage   90.96%   90.96%           
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  Files         171      171           
  Lines        8133     8133           
  Branches     1649     1649           
=======================================
  Hits         7398     7398           
  Misses        735      735           

[blumamir]

Thanks @Ugzuzg