restoreHandlers()

const server = setupServer(
  http.get('/user', () => HttpResponse.json({ firstName: 'John' }), {
    once: true,
  })
)
 
// The first request to "GET /user" will be intercepted by
// the request handler above, and the mocked JSON response will be returned.
await fetch('/user')
 
// Since the matching request handler above was marked as "{ once: true }"
// and has already handled a matching request, the subsequent requests to
// this resource will by bypassed and the original response will be returned.
await fetch('/user')
 
// By calling the "server.restoreHandlers()" method, you are marking all
// used one-time request handlers as unused so they can affect the network again.
server.restoreHandlers()
 
// The matching one-time request handler was restored, so the mocked response
// will be returned again. Past this point, the handler is marked as used again.
await fetch('/user')