added the rate test for GenerateSequence

[liferoad]

Fixes #35034

just add the test from #35043

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.45%. Comparing base (bbf7124) to head (9236135).
Report is 15 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #35108      +/-   ##
============================================
- Coverage     56.48%   56.45%   -0.04%     
  Complexity     3299     3299              
============================================
  Files          1185     1186       +1     
  Lines        181794   181951     +157     
  Branches       3409     3409              
============================================
+ Hits         102691   102712      +21     
- Misses        75837    75973     +136     
  Partials       3266     3266              

Flag	Coverage Δ
python	80.91% <ø> (-0.15%)	⬇️

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