finalhandler: tests have been added

finalhandler/finalhandler-tests.ts

@@ -0,0 +1,17 @@
+/// <reference path="./finalhandler.d.ts" />
+
+import {ServerRequest, ServerResponse} from "http";
+import finalHandler from "finalhandler";
+
+let req: ServerRequest;
+let res: ServerResponse;
+let options: {
+	onerror: (err: any, req: ServerRequest, res: ServerResponse) => void;
+	message: boolean|((err: any, status: number) => string);
+	stacktrace: boolean;
+};
+
+let result: (err: any) => void;
+
+result = finalHandler(req, res);
+result = finalHandler(req, res, options);