it('User should be able to sign up', () => {
    return testSaga(signUpUser, SIGN_UP)
      .next()
      .all([put(toggleLoading(loadingTruePayload)), call(delay, 500)])
      .next()
      .call(API.postData, signUp(), undefined, 'json')
      .next(signUpResponse)
      .put(signUpSuccess(signUpResponse))
      .next()
      .put(toggleLoading(loadingFalsePayload))
      .done
});