An update can be published for limited availability to testers with a special Test attribute. For a client to discover a test update there must be a specific key in the application app.config file. To enable a client to retrieve test updates, add the following to the host application’s app.config file.
<configuration>
<appSettings>
<add key="Kjs.AppLife.Update.Tester" value="true"/>
</appSettings>
</configuration>
Clearing the test attribute
An update that was published as a test update can be switched to a normal update by managing the location that the update was published to. Select the update from the list of updates, and uncheck the Make this update only available to testers checkbox. Publish the changes and the update will be available to all clients.
Note: You can also switch a normal update to a test update.