Tests.CoreTests.AsyncGivesCorrectException C# (CSharp) Method

        public void AsyncGivesCorrectException()
        {
            var api = new ZendeskApi_v2.ZendeskApi(
                "http://csharpapi.zendesk.com/api/v2", 
                Settings.AdminEmail, 
                "Incorrect password");

            Assert.ThrowsAsync<WebException>(async () =>
            {
                await api.Tickets.CreateTicketAsync(new Ticket
                {
                    Subject = "subject"
                });
            });

        }