public async Task ShouldFire()
{
List <Request> requests = new List <Request>();
Page.RequestCreated += (sender, e) => requests.Add(e.Request);
await Page.GoToAsync(TestConstants.EmptyPage);
await FrameUtils.AttachFrame(Page, "frame1", TestConstants.EmptyPage);
Assert.Equal(2, requests.Count);
Assert.Equal(TestConstants.EmptyPage, requests[0].Url);
Assert.Equal(Page.MainFrame, requests[0].Frame);
Assert.Equal(TestConstants.EmptyPage, requests[0].Frame.Url);
Assert.Equal(TestConstants.EmptyPage, requests[1].Url);
Assert.Equal(Page.Frames.ElementAt(1), requests[1].Frame);
Assert.Equal(TestConstants.EmptyPage, requests[1].Frame.Url);
}