Created smoke test for the build process.

This smoke test will verify there's no errors being
generated when running the build process.

+ minor package.json test script refactoring for increased readability

package.json

@@ -8,7 +8,10 @@
     "serve": "node server.js",
     "load-versions": "node scripts/load-versions.js",
     "start": "npm run serve",
-    "test": "standard *.js scripts/*.js scripts/**/*.js tests/**/*.js && tape tests/**/*.test.js | faucet"
+    "test": "npm run test:lint && npm run test:unit && npm run test:smoke",
+    "test:lint": "standard *.js scripts/*.js scripts/**/*.js tests/*.js tests/**/*.js",
+    "test:unit": "tape tests/**/*.test.js | faucet",
+    "test:smoke": "tape tests/*.smoketest.js | faucet"
   },
   "repository": {
     "type": "git",

tests/build.smoketest.js

@@ -0,0 +1,18 @@
+'use strict'
+
+const path = require('path')
+const exec = require('child_process').exec
+const test = require('tape')
+
+const pathToBuild = path.resolve(__dirname, '../build.js')
+
+test('build.js', (t) => {
+  t.plan(1)
+
+  t.test('should not generate error', (t) => {
+    exec(`node ${pathToBuild}`, (err) => {
+      t.equal(err, null)
+      t.end()
+    })
+  })
+})