public void AddsTrailingSlashes(string siteRoot, string expected)
            {
                // Arrange
                var config = new Mock<IGalleryConfigurationService>();
                config.Setup(s => s.GetSiteRoot(false)).Returns(siteRoot);
                var feed = new TestableV1Feed(null, config.Object, null);
                feed.Request = new HttpRequestMessage(HttpMethod.Get, siteRoot);

                // Act
                var actual = feed.GetSiteRootForTest();

                // Assert
                Assert.Equal(expected, actual);
            }