Clean up package.json, make version regex a constant

package.json

@@ -27,8 +27,9 @@
     "watch": "rm -rf lib && node_modules/babel-cli/bin/babel.js --watch src -d lib --copy-files",
     "lint": "node_modules/.bin/eslint zapier.js src",
     "lint-snippets": "node_modules/.bin/eslint snippets --rule 'no-unused-vars: 0' --ignore-pattern snippets/next.js",
-    "test": "npm run build && NODE_ENV=test node_modules/mocha/bin/mocha -t 30000 --recursive lib/tests && npm run lint && npm run lint-snippets",
-    "smoke-test": "npm run build && NODE_ENV=test node_modules/mocha/bin/mocha -t 30000 --recursive lib/smoke-tests",
+    "pretest": "npm run build",
+    "test": "NODE_ENV=test mocha -t 30000 --recursive lib/tests && npm run lint && npm run lint-snippets",
+    "smoke-test": "npm run build && NODE_ENV=test mocha -t 30000 --recursive lib/smoke-tests",
     "zapier": "zapier.js",
     "validate-templates": "./scripts/validate-app-templates.js",
     "set-template-versions": "./scripts/set-app-template-versions.js",

src/smoke-tests/smoke-tests.js

@@ -7,6 +7,8 @@ const path = require('path');
 require('should');
 const fetch = require('node-fetch');
 
+const REGEX_VERSION = /\d+\.\d+\.\d+/;
+
 const setupZapierRC = () => {
   let hasRC = false;
   if (process.env.DEPLOY_KEY) {
@@ -70,9 +72,7 @@ describe('smoke tests - setup will take some time', () => {
     context.hasRC = setupZapierRC();
 
     context.package.filename = npmPack();
-    context.package.version = context.package.filename.match(
-      /\d+\.\d+\.\d+/
-    )[0];
+    context.package.version = context.package.filename.match(REGEX_VERSION)[0];
     context.package.path = path.join(process.cwd(), context.package.filename);
 
     context.workdir = setupTempWorkingDir();