public async Task TestForwardAsyncCache()
{
BrowserStandard browser = new BrowserStandard();
IDocument firstResponseDocument = await browser.NavigateAsync("http://google.com");
Assert.True(firstResponseDocument == browser.Document);
Assert.True(browser.History.Count == 1);
IDocument secondDocument = await browser.NavigateAsync("https://facebook.com");
Assert.True(browser.History.Count == 2);
await browser.BackAsync();
Assert.True(browser.History.Count == 1);
Assert.True(browser.ForwardHistory.Count == 1);
Assert.True(browser.Document != firstResponseDocument);
Assert.True(browser.Document.Response.ResponseUri == firstResponseDocument.Response.ResponseUri);
await browser.ForwardAsync();
Assert.True(browser.ForwardHistory.Count == 0);
Assert.True(browser.History.Count == 2);
Assert.True(secondDocument.Response.ResponseUri == browser.Document.Response.ResponseUri);
}