test: test if params are not duplicated in the tree

[Anoesj]

This tests if the tree does not contain duplicated params, whenever a child route overrides the path with an absolute path, that contains the same params as one of its parents has already defined.

[pkg-pr-new]

Open in Stackblitz

npm i https://pkg.pr.new/unplugin-vue-router@597

commit: d90bf5b

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.72%. Comparing base (e7789e9) to head (d90bf5b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #597   +/-   ##
=======================================
  Coverage   61.72%   61.72%           
=======================================
  Files          32       32           
  Lines        3135     3135           
  Branches      579      580    +1     
=======================================
  Hits         1935     1935           
  Misses       1194     1194           
  Partials        6        6           

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