Maybe fix intermittently failing test

[rowanseymour]

No description provided.

[codecov]

Codecov Report

Merging #296 into master will increase coverage by 0.14%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #296      +/-   ##
==========================================
+ Coverage   53.40%   53.54%   +0.14%     
==========================================
  Files         101      101              
  Lines        8904     8904              
==========================================
+ Hits         4755     4768      +13     
+ Misses       3451     3438      -13     
  Partials      698      698              

Impacted Files	Coverage Δ
services/tickets/zendesk/service.go	89.55% <100.00%> (ø)
models/assets.go	50.68% <0.00%> (+0.68%)	⬆️
models/tickets.go	63.02% <0.00%> (+5.72%)	⬆️

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