public async Task TestAsRequested()
{
#pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously
await Assert.ThrowsExceptionAsync <ArgumentNullException>(async() =>
{
IDataModelCollection <Model.SharePoint.IList> bla = null;
var a = bla.AsRequested();
});
#pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously
}
