public void Get_Existing_ConfigurationVariable()
{
var item = Api.GetConfigurationVariable(ApplicationSlug, "5");
Assert.AreEqual(item.Id, "5");
Assert.AreEqual(item.Key, "foo");
Assert.AreEqual(item.Value, "bar");
Assert.AreEqual(item.Url, "https://appharbor.com/applications/:application/configurationvariables/5");
}