fix(deps): Update test to use karma 3.0.0

Ref #261.
Closes #251.

Author: Krinkle

package.json

@@ -40,8 +40,8 @@
     "grunt-conventional-github-releaser": "^1.0.0",
     "grunt-eslint": "^21.0.0",
     "grunt-npm": "0.0.2",
-    "karma": "^1.0.0",
-    "karma-chrome-launcher": "^1.0.0",
+    "karma": "^3.0.0",
+    "karma-chrome-launcher": "^2.2.0",
     "karma-firefox-launcher": "^1.0.0",
     "karma-mocha": "1.x || ^0.2.0",
     "load-grunt-tasks": "^3.2.0",