Modify run conditions for nightly e2e job to create test cycle and post in channel. (#2971)

webpack.config.test.js

@@ -10,7 +10,7 @@ const base = require('./webpack.config.base');
 
 module.exports = merge(base, {
     entry: {
-        e2e: glob.sync('./e2e/specs/**/*.test.js'),
+        e2e: glob.sync('./e2e/specs/**/*.js'),
     },
     output: {
         path: path.resolve(__dirname, 'dist/tests'),