golang testify return on consecutive calls

test.go

func() {
	consecutive := -1
	responseMocks := []string{
		responseString1,
		responseString2,
	}
	httpClientMock.On("SendRequest", req).Return(func() *http.Response {
		consecutive++
		return &http.Response{
			StatusCode: 200,
			Body:       ioutil.NopCloser(bytes.NewReader([]byte(responseMocks[consecutive]))),
		}
	}, nil).Twice()
}
func (c HttpClientMock) SendRequest(req *http.Request) (*http.Response, error) {
	args := c.Called(req)
	fnc := args.Get(0).(func() *http.Response)
	return fnc(), args.Error(1)
}