public void ReturnsAliasFile()
        {
            using (var stream = new MemoryStream())
            {
                const string path = "/index.html";
                var          env  = CreateEnv(path, stream);

                var app = Statics.AddFolderAlias("/Files", "/").Build()(Complete);
                app(env).Wait();

                stream.Position = 0;
                var text = ReadStream(stream);
                Assert.Equal("<h1>Pass</h1>", text);
            }
        }