DM-41235: Update test to use SqlRegistry instead of Registry

[andy-slac]

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 ✅

Comparison is base (17a9813) 87.07% compared to head (5b3298f) 87.07%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #270   +/-   ##
=======================================
  Coverage   87.07%   87.07%           
=======================================
  Files          47       47           
  Lines        4372     4373    +1     
  Branches      755      755           
=======================================
+ Hits         3807     3808    +1     
  Misses        407      407           
  Partials      158      158           

Files	Coverage Δ
tests/test_cmdLineFwk.py	98.54% <100.00%> (+<0.01%)	⬆️

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