RemoveCustomGalleryTagsAsync() public method

Remove tags from a custom gallery. OAuth authentication required.
/// Thrown when a null reference is passed to a method that does not accept it as a /// valid argument. /// Thrown when an error is found in a response from an Imgur endpoint. Thrown when an error is found in a response from a Mashape endpoint.
public RemoveCustomGalleryTagsAsync ( IEnumerable tags ) : Task
tags IEnumerable The tags that should be removed.
return Task
        public async Task RemoveCustomGalleryTagsAsync_WithTagsNull_ThrowsArgumentNullException()
        {
            var client = new ImgurClient("123", "1234");
            var endpoint = new CustomGalleryEndpoint(client);

            var exception =
                await
                    Record.ExceptionAsync(
                        async () => await endpoint.RemoveCustomGalleryTagsAsync(null).ConfigureAwait(false))
                        .ConfigureAwait(false);
            Assert.NotNull(exception);
            Assert.IsType<ArgumentNullException>(exception);
        }
        public async Task RemoveCustomGalleryTagsAsync_True()
        {
            var mockUrl = "https://api.imgur.com/3/g/custom/remove_tags?tags=Cats%2CDogs";
            var mockResponse = new HttpResponseMessage(HttpStatusCode.OK)
            {
                Content = new StringContent(MockCustomGalleryEndpointResponses.RemoveCustomGalleryTags)
            };

            var client = new ImgurClient("123", "1234", MockOAuth2Token);
            var endpoint = new CustomGalleryEndpoint(client,
                new HttpClient(new MockHttpMessageHandler(mockUrl, mockResponse)));
            var added =
                await endpoint.RemoveCustomGalleryTagsAsync(new List<string> {"Cats", "Dogs"}).ConfigureAwait(false);

            Assert.True(added);
        }