Fix custom CNI on upgrade test

[chrisdoherty4]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (96f3aae) 71.34% compared to head (e155d7e) 71.35%.
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7064   +/-   ##
=======================================
  Coverage   71.34%   71.35%           
=======================================
  Files         544      544           
  Lines       41963    41966    +3     
=======================================
+ Hits        29940    29943    +3     
  Misses      10345    10345           
  Partials     1678     1678           

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