Increase test timeout

Author: simonsmith

package.json

@@ -43,7 +43,7 @@
     "stylelint-config-suitcss": "^1.0.0"
   },
   "scripts": {
-    "test": "npm run lint && mocha --reporter spec --slow 400",
+    "test": "npm run lint && mocha --reporter spec --slow 400 --timeout 3000",
     "lint": "eslint lib/index.js test/test.js bin/suitcss",
     "watch": "mocha --watch --reporter spec --slow 400"
   },