Add descriptions to each taiko test

test/taiko/apps.js

+// Tests if logging into all apps works using the admin user without SSO
+// For SSO login tests see ./single-sign-on
 const { openBrowser, goto, textBox, into, write, click, toRightOf, below, link, press, image, waitFor, closeBrowser, screenshot } = require('taiko');
 const assert = require('assert');
 

test/taiko/single-sign-on.js

+// Tests if logging into all apps works using SSO
+// Unfortunately we still can't run this test in CI because we haven't found
+// a way to use SSO with LE staging certs.
+// See https://open.greenhost.net/openappstack/single-sign-on/-/issues/62
+
 const { openBrowser, goto, textBox, into, write, click, toRightOf, below, link, press, image, waitFor, closeBrowser, screenshot } = require('taiko');
 const assert = require('assert');