public async Task ShouldEmulateMedia()
{
await _page.GoToAsync(TestConstants.ServerUrl + "/dynamic-oopif.html");
Assert.Equal(2, _page.Frames.Count());
Assert.Equal(1, await CountOOPIFsASync(_browser));
var oopif = _page.Frames[1];
Assert.False(await oopif.EvaluateAsync <bool?>("() => matchMedia('(prefers-color-scheme: dark)').matches"));
await _page.EmulateMediaAsync(ColorScheme.Dark);
Assert.True(await oopif.EvaluateAsync <bool?>("() => matchMedia('(prefers-color-scheme: dark)').matches"));
}
