test(adapter/bun): fixed conninfo.test.ts

[yusukebe]

The author should do the following, if applicable

• Add tests
• Run tests
• bun run format:fix && bun run lint:fix to format the code
• Add TSDoc/JSDoc to document the code

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.06%. Comparing base (afa44e9) to head (9c787d3).
Report is 9 commits behind head on next.

Additional details and impacted files

@@            Coverage Diff             @@
##             next    #3059      +/-   ##
==========================================
+ Coverage   96.02%   96.06%   +0.03%     
==========================================
  Files         142      142              
  Lines       14271    14333      +62     
  Branches     2445     2485      +40     
==========================================
+ Hits        13704    13769      +65     
+ Misses        567      564       -3     

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