11318 - fix flaky packing_report_spec

fix rubocop DurationArithmetic

spec/controllers/api/v0/reports/packing_report_spec.rb

@@ -9,7 +9,7 @@ describe Api::V0::ReportsController, type: :controller do
       # rspec seems to remove empty values to setting something dummy so the
       # default_params will not overwritting this params
       fields_to_hide: [:none],
-      q: { order_created_at_lt: Time.zone.now }
+      q: { order_created_at_lt: 2.seconds.from_now }
     }
   }