docs(autoware_test_utils): fix test_map link

[youtalk]

Description

This PR fixes https://github.com/autowarefoundation/autoware.core/actions/runs/13516633396/job/37766680417?pr=181#step:3:306 issue.

Related links

• feat(autoware_geography_utils): add support for local cartesian projection #181

How was this PR tested?

https://github.com/autowarefoundation/autoware.core/actions/runs/13518074954/job/37770912968?pr=222

Notes for reviewers

None.

Interface changes

None.

Effects on system behavior

None.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 29.00%. Comparing base (4cb18f5) to head (afdb8d5).
Report is 50 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #222       +/-   ##
===========================================
- Coverage   78.75%   29.00%   -49.76%     
===========================================
  Files          11       19        +8     
  Lines         193      986      +793     
  Branches       73      461      +388     
===========================================
+ Hits          152      286      +134     
- Misses         11      524      +513     
- Partials       30      176      +146     

Flag	Coverage Δ
differential	29.00% <ø> (?)
total	?

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[youtalk]

@kosuke55 made duplicated PR #221.