public async Task put_valid_player_is_updated(string url)
        {
            var generated = DatabaseSeed.GenerateRandomPlayer();

            var postContent = new StringContent(JsonConvert.SerializeObject(generated),
                                                System.Text.Encoding.UTF8,
                                                "application/json");

            var postResponse = await client.PostAsync(url, postContent);

            postResponse.EnsureSuccessStatusCode();

            var playerContent = await postResponse.Content.ReadAsStringAsync();

            var player = JsonConvert.DeserializeObject <Player>(playerContent);

            player.LastName = DatabaseSeed.GetRandomLastName();
            player.Age      = DatabaseSeed.GetRandomAge();

            var putContent = new StringContent(JsonConvert.SerializeObject(player),
                                               System.Text.Encoding.UTF8,
                                               "application/json");

            var response = await client.PutAsync($"{url}/{player.PlayerId}", putContent);

            var getResponse = await client.GetAsync($"{url}/{player.PlayerId}");

            getResponse.EnsureSuccessStatusCode();

            var getContent = await getResponse.Content.ReadAsStringAsync();

            var resultPlayer = JsonConvert.DeserializeObject <Player>(getContent);

            Assert.Equal(player.LastName, resultPlayer.LastName);
            Assert.Equal(player.Age, resultPlayer.Age);
        }