public async void TestAdd() { await this.SetUp(); var item = new FileExtensionsItem(null); item.Extension = ".csv"; _feature.AddItem(item); Assert.NotNull(_feature.SelectedItem); Assert.Equal(".csv", _feature.SelectedItem.Extension); const string Original = @"original.config"; const string OriginalMono = @"original.mono.config"; XmlAssert.Equal(Helper.IsRunningOnMono() ? OriginalMono : Original, Current); XmlAssert.Equal(Path.Combine("RequestFiltering", "FileExtensions", "expected_add.site.config"), Path.Combine("Website1", "web.config")); }