Updating the build-test script to run a build and start the server

Author: skipjack

package.json

@@ -23,7 +23,7 @@
   "scripts": {
     "start": "npm run init:generated && node ./bootstrap.js",
     "build": "npm run init:generated && rm -rf build/ && node ./bootstrap.js && npm run sitemap && echo webpack.js.org > build/CNAME",
-    "build-test": "http-server build/",
+    "build-test": "npm run build && http-server build/",
     "deploy": "gh-pages -d build",
     "fetch": "scripts/fetch.sh",
     "init:generated": "mkdirp ./generated/loaders && ncp ./content/loaders/ ./generated/loaders && mkdirp ./generated/plugins && ncp ./content/plugins/ ./generated/plugins",