Delay test start until third party libraries and api calls have loaded.
URLs from successful script, iframe and pixel requests can be viewed in chrome browsers using getNetworkResources(). This will include data passed via query string parameters that can be verified against your data layer.
To view the log from utag.js, set the utagdb cookie to true before page load `document.cookie = “utagdb=true”;`. `utag.db_log` will then contain information whether or not a tag or extension fired. (e.g. 1234: Tag not fired: Required attribute “account_id” not populated)
An example of using Mocha.js and Chai.js to test whether your tag library was loaded: