public async Task MarkNotificationsViewedAsync_True()
{
var mockUrl = "https://api.imgur.com/3/notification/12345";
var mockResponse = new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new StringContent(MockNotificationEndpointResponses.MarkNotificationViewed)
};
var client = new ImgurClient("123", "1234", MockOAuth2Token);
var endpoint = new NotificationEndpoint(client,
new HttpClient(new MockHttpMessageHandler(mockUrl, mockResponse)));
var marked = await endpoint.MarkNotificationViewedAsync("12345").ConfigureAwait(false);
Assert.True(marked);
}