FIX: Requests were not being logged correctly

`enable` was defaulting to `nil` which is not what we wanted.

spec/rails_helper.rb

@@ -128,6 +128,9 @@ module TestSetup
     # code that runs inside jobs. run_later! means they are put on the redis
     # queue and never processed.
     Jobs.run_later!
+
+    # Don't track ApplicationRequests in test mode unless opted in
+    ApplicationRequest.disable
   end
 end