FIX: Move test_via_design_examples_success to unit tests

[hui-zhou-a]

• Move test_via_design_examples_success to unit tests

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.89%. Comparing base (92a70a4) to head (10a44f4).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6571      +/-   ##
==========================================
- Coverage   81.89%   81.89%   -0.01%     
==========================================
  Files         241      241              
  Lines       75742    75742              
==========================================
- Hits        62028    62027       -1     
- Misses      13714    13715       +1     

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