Add coverages to default test

Author: pboyd04

package.json

@@ -4,8 +4,7 @@
   "description": "CSDL Metadata Parser",
   "main": "./index.js",
   "scripts": {
-    "test": "mocha",
-    "coverage": "nyc mocha",
+    "test": "nyc mocha",
     "coveralls": "nyc report --reporter=text-lcov | coveralls"
   },
   "engines": {