Add CDC matrix tests

[jugal-chauhan]

Description

Issues Resolved

Testing

Check List

• New functionality includes testing
• Public documentation issue/PR created, if applicable.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.46%. Comparing base (abe6949) to head (7bf66b7).
⚠️ Report is 9 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2723      +/-   ##
============================================
+ Coverage     73.28%   73.46%   +0.17%     
  Complexity      106      106              
============================================
  Files           721      721              
  Lines         33372    33441      +69     
  Branches       2910     2915       +5     
============================================
+ Hits          24457    24566     +109     
+ Misses         7582     7535      -47     
- Partials       1333     1340       +7     

Flag	Coverage Δ
gradle	69.89% <ø> (+0.26%)	⬆️
node	90.97% <ø> (ø)
python	77.77% <ø> (+0.02%)	⬆️

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