public void InitialRequestIsNullWhenPagingAfterThrows()
{
// given
Func <FakePageRequest, Task <PagedResponse <string> > > pager = _ => Task.FromResult(new PagedResponse <string>());
var subject = new Pager <FakePageRequest, string>(pager);
// when
AsyncTestDelegate test = () => subject.AndGetAllAfterAsync();
// then
var ex = Assert.ThrowsAsync <InvalidOperationException>(test);
Assert.That(ex.Message, Is.Not.Null.And.Not.Empty);
}
