Address code review comments in test file

[lewis-sanchez]

Pull Request Template – vscode-mssql

Description

This PR addresses the code review comments that were left in this PR: #20750

Provide a clear, concise summary of the changes in this PR. What problem does it solve? Why is it needed? Link any related issues using issue closing keywords.

Code Changes Checklist

• New or updated unit tests added
• All existing tests pass (npm run test)
• Code follows contributing guidelines
• Telemetry/logging updated if relevant
• No regressions or UX breakage

Reviewers: Please read our reviewer guidelines

[github-actions]

PR Changes

Category	Target Branch	PR Branch	Difference
vscode-mssql VSIX	5283 KB	5283 KB	⚪ 0 KB ( 0% )
sql-database-projects VSIX	5668 KB	5668 KB	⚪ 0 KB ( 0% )

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 65.90%. Comparing base (059b9b9) to head (24c6846).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #20802      +/-   ##
==========================================
- Coverage   65.90%   65.90%   -0.01%     
==========================================
  Files         210      210              
  Lines       19989    19989              
  Branches     2596     2596              
==========================================
- Hits        13174    13173       -1     
  Misses       6718     6718              
- Partials       97       98       +1     

see 1 file with indirect coverage changes

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