- Go to Control Panel > Sites > Configuration > Mobile Device Families
- Add a device family
- Click on 'Manage Classification Rules' in the device family dropdown
- Add a classification rule
- Assert that a warning message is shown to indicate that no device recognition provider is installed
The warning message should be seen in the most relevant places
This is the current message :
"There is no device recognition provider installed. It will not be possible to determine the characteristics of the devices accessing the portal. Please contact the portal administrator or install it from the Liferay Marketplace."
It should be visible at a portlet level (right after the portlet name so that's visible everywhere in the portlet.