DM-53174: Update test utility code for minor upstream API change.

[TallJimbo]

Checklist

• ran Jenkins
• added a release note for user-visible changes to doc/changes

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.82%. Comparing base (72ff1dd) to head (b9e1403).
⚠️ Report is 2 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #221      +/-   ##
==========================================
- Coverage   89.82%   89.82%   -0.01%     
==========================================
  Files          51       51              
  Lines        5465     5464       -1     
  Branches      539      539              
==========================================
- Hits         4909     4908       -1     
  Misses        457      457              
  Partials       99       99              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[MichelleGower]

Merge approved.