[Backport 1.9.latest] Implement partial parsing for singular data tests configs in yaml files

[github-actions]

Backport e32b8a9 from #11100.

[codecov]

Codecov Report

Attention: Patch coverage is 94.11765% with 1 line in your changes missing coverage. Please review.

Project coverage is 89.18%. Comparing base (34f92a8) to head (d79e8c5).
Report is 1 commits behind head on 1.9.latest.

Additional details and impacted files

@@             Coverage Diff             @@
##           1.9.latest   #11101   +/-   ##
===========================================
  Coverage       89.18%   89.18%           
===========================================
  Files             183      183           
  Lines           23783    23798   +15     
===========================================
+ Hits            21210    21224   +14     
- Misses           2573     2574    +1     

Flag	Coverage Δ
integration	86.55% <94.11%> (-0.01%)	⬇️
unit	62.13% <5.88%> (-0.04%)	⬇️

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Components	Coverage Δ
Unit Tests	62.13% <5.88%> (-0.04%)	⬇️
Integration Tests	86.55% <94.11%> (-0.01%)	⬇️