add code coverage

test/assets/test/test.js

@@ -1 +1,10 @@
+/// <reference path="./typings/main.d.ts" />
 console.log("**** starting test ****");
+var testplugin = require("../index.js");
+describe("testplugins", function () {
+    describe(".logSomething", function () {
+        it("should log something", function () {
+            testplugin.logSomething();
+        });
+    });
+});