public async Task GetIncomeStatement_Should_FetchResults()
{
var config = new ConfigurationBuilder()
.AddJsonFile("appsettings.json")
.Build();
string token = config["TOKEN"];
IEXClient client = new IEXClient(IEXBaseUrl.SandboxUrl, token);
string result = await client.GetIncomeStatement("AAPL", 4, "quarter");
result.Should().NotBeNullOrEmpty();
result = await client.GetIncomeStatement("AAPL", 4, "annual");
result.Should().NotBeNullOrEmpty();
}