Function onSuccess

packages/query-core/src/__tests__/mutationCache.test.tsx:161–165

()

      const key = queryKey()
      const states: Array<number> = []
      const onSuccess = () =>
        sleep(10).then(() => {
          states.push(1)
          states.push(2)
        })
      const onSettled = () =>
        sleep(10).then(() => {
          states.push(5)