Merge pull request #3079 from benjiwheeler/add-join-test

added test to check that join window shows scratchr2 join flow

test/integration/smoke-testing/test-join.js

@@ -0,0 +1,30 @@
+const SeleniumHelper = require('../selenium-helpers.js');
+const helper = new SeleniumHelper();
+
+var tap = require('tap');
+const test = tap.test;
+
+const driver = helper.buildDriver('www-smoke test-login-failures');
+
+const {
+    clickText,
+    findByXpath
+} = helper;
+
+var rootUrl = process.env.ROOT_URL || 'https://scratch.ly';
+
+tap.plan(1);
+
+tap.tearDown(function () {
+    driver.quit();
+});
+
+tap.beforeEach(function () {
+    return driver.get(rootUrl);
+});
+
+test('Clicking Join Scratch opens scratchr2 iframe', t => {
+    clickText('Join Scratch')
+        .then(() => findByXpath('//iframe[contains(@class, "mod-registration")]'))
+        .then(() => t.end());
+});