update dependencies

test/test.d.ts

@@ -1,2 +1,2 @@
-declare let should: any;
-declare let smartpath: any;
+import "typings-test";
+import "should";

test/test.ts

@@ -1,5 +1,5 @@
-/// <reference path="../ts/typings/main.d.ts" />
-let should = require("should");
+import "typings-test";
+import "should";
 let smartpath = require("../dist/index.js");
 
 describe("smartpath",function(){