React Query Test with MSW - useMutation test returns `undefined` for current.data property

  test("creates new contact", async () => {
    const { result } = renderHook(() => useAddContact(), {
      wrapper: createWrapper()
    });

    act(() => {
      result.current.mutate({
        first_name: "Job",
        last_name: "Bones"
      });
    });

    await waitFor(() => {
      console.log("result.current", result.current);
      return result.current.isSuccess;
    });

    expect(result.current.isSuccess).toBe(true);
  });

  rest.post("/api/contacts#new", (req, res, ctx) => {
    return res(
      ctx.status(200),
      ctx.json({
        first_name: "Job",
        last_name: "Bones"
      })
    );
  })

type NewContactPayload = {
  first_name: string;
  last_name?: string;
};

export const useAddContact = () => {
  return useMutation({
    mutationFn: (newContact: NewContactPayload) =>
      axios({
        url: "/api/contacts#new",
        method: "POST",
        data: newContact
      }).then(res => res.data)
  });
};