public async Task Test_AuthFollowArtistAsync()
        {
            // "Ariana Grande"
            var result = await _client.AuthFollowAsync(
                new List <string> {
                "66CXWjxzNUsdJxJ2JdwvnR"
            },
                Enums.FollowType.Artist);

            Assert.IsTrue(result.Success);
        }