public async Task DisposeTest()
{
var comp = ctx.RenderComponent <MudSnackbarProvider>();
Console.WriteLine(comp.Markup);
comp.Find("#mud-snackbar-container").InnerHtml.Trim().Should().BeEmpty();
var service = ctx.Services.GetService <ISnackbar>() as SnackbarService;
service.Should().NotBe(null);
// shoot out a snackbar
Snackbar snackbar = null;
await comp.InvokeAsync(() => snackbar = service?.Add("Boom, big reveal. Im a pickle!"));
Console.WriteLine(comp.Markup);
snackbar?.Dispose();
comp.Find("#mud-snackbar-container").InnerHtml.Trim().Should().NotBeEmpty();
comp.Find("div.mud-snackbar-content-message").TrimmedText().Should().Be("Boom, big reveal. Im a pickle!");
// close by click on the snackbar
comp.Find("button").Click();
comp.WaitForAssertion(() => comp.Find("#mud-snackbar-container").InnerHtml.Trim().Should().BeEmpty(), TimeSpan.FromMilliseconds(100));
}