public void SearchByPhoneTest()
{
var y = new Yelp(Config.Options);
var results = y.SearchByPhone("4159083801").Result;
Assert.IsNotNull(results);
Assert.IsNotNull(results.businesses);
Assert.IsNotNull(results.businesses.FirstOrDefault());
Assert.AreEqual <string>("yelp-san-francisco", results.businesses.First().id);
}