When creating a glossary activity on qa.moodle.net the ratings options will not save until the activity is added and then re-edited
Steps to reproduce:
on qa.moodle.net login as a teacher and create a glossary activity.
Set the rating aggregate type to Count of ratings
Set the scale to Satisfactory
Save the glossary activity
In the settings block click on "edit settings"
Ratings should be set to "Count of Ratings"
Scale should be set to satisfactory
rating aggregate type is set to "no ratings"
Scale is disabled.
Note: if you change the settings a second time, the settings will be saved.