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