To favorite a sensor:
Steps
On Map view with a sensor shown in details, tap on the star to favorite a sensor
Give a name to it and tap on Save
Actual
Upon tapping on Save the sensor detailed info panel is shown
Expected
Upon tapping on Save the user can see the Map View with the sensor marked as favorite
To un-favorite a sensor
Steps
On Map View with a favorite sensor selected tap on the star icon to unfavorite it
Actual
The sensor detailed info panel is open
Expected
The sensor is unfavorited without opening the sensor detailed info panel