fix: missing initialize appium in Update AppiumV2_test.js

Author: kobenguyent

test/helper/AppiumV2_test.js

@@ -4,6 +4,11 @@ const expect = chai.expect
 const assert = chai.assert
 const path = require('path')
 
+const Appium = require('../../lib/helper/Appium')
+const AssertionFailedError = require('../../lib/assert/error')
+const fileExists = require('../../lib/utils').fileExists
+global.codeceptjs = require('../../lib')
+
 let app
 const apk_path = 'storage:filename=selendroid-test-app-0.17.0.apk'
 const smallWait = 3