Jest set React component state

JestSetState.tsx

const wrapper = TestRenderer.create(<CognitoLogin />);
const state: ICognitoLoginState = {
  formState: 'Register',
  code: 'testcode',
  userInput: { email: 'bogus@test.com', password: 'testPw' },
  result: undefined,
};
wrapper.root.instance.setState(state);