Add test directives

.travis.yml

@@ -0,0 +1,4 @@
+language: node_js
+node_js:
+  - 0.6
+  - 0.8

package.json

@@ -19,5 +19,8 @@
     "expect.js": "*",
     "sinon": "*",
     "mocha": "*"
+  },
+  "scripts": {
+    "test": "mocha test"
   }
 }