Here is the error I can see If my request produce an error in jest :
(node:32584) UnhandledPromiseRejectionWarning: TypeError: Converting circular structure to JSON
--> starting at object with constructor 'Object'
| property 'curlObject' -> object with constructor 'CurlHelper'
--- property 'request' closes the circle
at stringify (<anonymous>)
at writeChannelMessage (internal/child_process/serialization.js:117:20)
at process.target._send (internal/child_process.js:805:17)
at process.target.send (internal/child_process.js:703:19)
at reportSuccess (./node_modules/jest-worker/build/workers/processChild.js:67:11)
Here is the error I can see If my request produce an error in jest :