[Nala] Fix failing promo code in Nala tests

[afmicka]

Fixing failing promo code in Nala tests

URL for testing:

• https://nala-updates--milo--afmicka.hlx.page/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.35%. Comparing base (f12d8ec) to head (ca778dd).
Report is 1 commits behind head on stage.

Additional details and impacted files

@@           Coverage Diff           @@
##            stage    #3149   +/-   ##
=======================================
  Coverage   96.34%   96.35%           
=======================================
  Files         245      245           
  Lines       56374    56374           
=======================================
+ Hits        54316    54320    +4     
+ Misses       2058     2054    -4     

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[aem-code-sync]

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[mokimo]

Merging this in discussion with @afmicka to fix one failing test. Tests tail for unrelated // setup reasons, so it's fine to merge for now.