Extract db_name from data_backed in test confest

[kartik4949]

Description

Related Issues

Checklist

• Is this code covered by new or existing unit tests or integration tests?
• Did you run make unit-testing and make integration-testing successfully?
• Do new classes, functions, methods and parameters all have docstrings?
• Were existing docstrings updated, if necessary?
• Was external documentation updated, if necessary?

Additional Notes or Comments

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (34830a7) 80.33% compared to head (3fcb2ca) 68.37%.
Report is 1374 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1666       +/-   ##
===========================================
- Coverage   80.33%   68.37%   -11.97%     
===========================================
  Files          95      116       +21     
  Lines        6602     8228     +1626     
===========================================
+ Hits         5304     5626      +322     
- Misses       1298     2602     +1304     

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