public async Task Get_Is_Subscribed_To_List()
{
// arrange
session.Returns(await Json.FromFile("data\\lists\\issubscribedtolist.txt"));
session.ExpectPost("https://api.twitter.com/1.1/lists/subscribers/show.json");
var subs = await session.IsSubscribedToList(23, "slug here");
Assert.IsNotNull(subs);
subs.UserId.ShouldBeEquivalentTo(819797);
}