message: can use an object as a value
  no longer gets copied over
diff: @@ -29,7 +29,7 @@ describe("ToneEvent", () => {
  });
  });
  - it.skip("can pass in arguments in options object", () => {
  + it("can pass in arguments in options object", () => {
  return Offline(() => {
  const callback = noOp;
  const value = { a : 1 };
  