message: [Comments] Added a comment for using dive and that that's becasue react-tracking
diff: @@ -19,6 +19,8 @@ describe("regarding the send button", () => {
  it("disables it even if it contains text if the disabled prop is true", () => {
  const overrideText = "History repeats itself, first as tragedy, second as farce."
  + // We're using 'dive' here to only fetch the component we want to test
  + // This is because the component is wrapped by react-tracking, which changes the tree structure
  const tree = shallow(<Composer value={overrideText} disabled={true} />).dive()
  const instance = tree.instance()
  @@ -29,6 +31,8 @@ describe("regarding the send button", () => {
  it("calls onSubmit with the text when send button is pressed", () => {
  const onSubmit = jest.fn()
  + // We're using 'dive' here to only fetch the component we want to test
  + // This is because the component is wrapped by react-tracking, which changes the tree structure
  const wrapper = shallow(<Composer onSubmit={onSubmit} />).dive()
  const text = "Don't trust everything you see, even salt looks like sugar"
  wrapper.setState({ text })
  