chore: add lint step to test function

Author: daprahamian

package.json

@@ -61,7 +61,7 @@
   },
   "scripts": {
     "docs": "jsdoc2md --heading-depth 3 --template tools/README.hbs --plugin dmd-clear --files lib/bson.js lib/extended_json.js > README.md",
-    "test": "npm run-script test-node && npm run-script test-browser",
+    "test": "npm run-script lint && npm run-script test-node && npm run-script test-browser",
     "test-node": "mocha ./test/node",
     "test-browser": "npm run-script build && karma start",
     "build": "rollup -c",