add node modules to repo

node_modules/electron-osx-sign/test/index.js

@@ -0,0 +1,28 @@
+var child = require('child_process')
+
+var series = require('run-series')
+
+var util = require('./util')
+
+series([
+  function (cb) {
+    child.exec('which codesign', cb)
+  },
+  function (cb) {
+    console.log('Calling electron-download before running tests...')
+    util.downloadElectrons(cb)
+  }
+], function (err) {
+  if (err) {
+    console.error('Test failed.')
+    if (err.message) console.error(err.message)
+    else console.error(err, err.stack)
+    return
+  }
+  console.log('Running tests...')
+  if (process.platform !== 'darwin') {
+    console.error('Unable to perform tests on non-darwin platforms.')
+    process.exit(1)
+  }
+  require('./basic')
+})