I am not sure how exactly you would like to test your web service, can you please elaborate on that a bit more?
Basically if the Simulator
in the AppBuilder In-Browser
client alerts you for possible CORS errors, this means that it detected issues with a web request sent from the app. In that case, if the issue is really CORS-related, Telerik AppBuilder Helper for Chrome will enable Ajax CORS requests for the device simulator to spare you the CORS errors.
However, please first check to see if you have encountered CORS issues. To do so please open the Chrome developer tools and check the Console
for any errors. You can also check the Network
tab to further examine the state of the web requests sent from the app.
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