public async void Gets_city_by_country()
        {
            var client   = _factory.CreateClient();
            var response = await client.GetAsync("user/city/by-country/1");

            string responseString = await response.Content.ReadAsStringAsync();

            Assert.Contains("Novi Sad", responseString);
        }
        public async void Finds_patient()
        {
            var client   = _factory.CreateClient();
            var response = await client.GetAsync("user/patient/1");

            string responseString = await response.Content.ReadAsStringAsync();

            Assert.Contains("\"id\":1", responseString);
        }
        public async void Gets_all_doctors()
        {
            var client   = _factory.CreateClient();
            var response = await client.GetAsync("user/doctor");

            string responseString = await response.Content.ReadAsStringAsync();

            Assert.Contains("\"id\":1", responseString);
        }