test: Fix Analytics test to use always same date

[KevLehman]

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Latest commit: e3ebd66

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[codecov]

Codecov Report

Merging #31178 (e3ebd66) into develop (3f4b430) will decrease coverage by 0.02%.
Report is 3 commits behind head on develop.
The diff coverage is n/a.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #31178      +/-   ##
===========================================
- Coverage    57.79%   57.77%   -0.02%     
===========================================
  Files          885      885              
  Lines        20228    20228              
  Branches      3766     3766              
===========================================
- Hits         11691    11687       -4     
- Misses        7847     7848       +1     
- Partials       690      693       +3     

Flag	Coverage Δ
unit	77.33% <ø> (-0.05%)	⬇️

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