public void TestGetCitiesByCountry()
        {
            var globalWeatherSoapClient = new Mock <IGlobalWeatherSoapClient>();

            globalWeatherSoapClient.Setup(am => am.GetCitiesByCountry(It.IsAny <string>())).Returns(ListOfCities.citiesList);

            WeatherController controller = new WeatherController(globalWeatherSoapClient.Object);
            var response = controller.GetCitiesByCountry("Mali");

            Assert.IsNotNull(response);
            //more detailed asserts can be written here
        }