public async Task AppManifestSpecialFileProvider_Test(string input, string appManifestPropertyValue, string expectedFilePath)
        {
            var inputTree = ProjectTreeParser.Parse(input);

            var projectTreeProvider = IProjectTreeProviderFactory.Create(@"C:\Foo\Properties", (root, path) =>
            {
                root.TryFindImmediateChild(Path.GetFileName(path), out var node);
                return(node);
            });
            var projectTree         = IPhysicalProjectTreeFactory.Create(currentTree: inputTree, provider: projectTreeProvider);
            var sourceItemsProvider = IProjectItemProviderFactory.Create();
            var fileSystem          = IFileSystemFactory.Create(path => true);
            var specialFilesManager = ISpecialFilesManagerFactory.Create();

            var properties = ProjectPropertiesFactory.Create(UnconfiguredProjectFactory.Create(), new PropertyPageData {
                Category     = ConfigurationGeneralBrowseObject.SchemaName,
                PropertyName = ConfigurationGeneralBrowseObject.ApplicationManifestProperty,
                Value        = appManifestPropertyValue
            });
            var provider = new AppManifestSpecialFileProvider(projectTree, sourceItemsProvider, null, fileSystem, specialFilesManager, properties);
            var filePath = await provider.GetFileAsync(SpecialFiles.AppSettings, SpecialFileFlags.CreateIfNotExist);

            Assert.Equal(expectedFilePath, filePath);
        }