public async Task Get_Banner()
{
session.Returns(await Json.FromFile("data\\users\\bannerprofile.txt"));
session.ExpectPost("https://api.twitter.com/1.1/account/update_profile_banner.json");
var banner = await session.GetProfileBanners(screenName:"boxkite");
Assert.IsNotNull(banner);
Assert.IsNotNull(banner.sizes);
Assert.IsNotNull(banner.sizes.Standard_1500x500);
Assert.IsNotNull(banner.sizes.Standard_1500x500.Url);
banner.sizes.Standard_1500x500.Width.ShouldBeEquivalentTo(1500);
banner.sizes.Standard_1500x500.Height.ShouldBeEquivalentTo(500);
}