Activity completion fallback for third party plugins

Setup

We'll need:

1. Completion enabled at site level
2. A course with completion enabled and few students enrolled.
3. Create two choice activities with the following settings

   Setting	Choice 1	Choice 2
   Completion tracking	Show activity as complete when conditions are met	Show activity as complete when conditions are met
   Require view	Yes	Yes
   Show as complete when user makes a choice	Yes	No

4. Create a folder activity with the following settings

   Completion tracking	Show activity as complete when conditions are met
   Require view	Yes

5. Install one or both of the third-party plugins that support custom completion but don't have the custom completion class yet.
   • mod_questionnaire
   • mod_peerwork
6. Add these third-party activities to the course.
7. On the edit form for these activities, under the Activity completion tab, set Completion tracking to Show activity as complete when conditions are met and select all completion criteria for these activities.

Testing - Core activities

1. Log in as a student and go to the course.
2. Confirm that choice and folder activities' completion conditions are displayed individually.
3. Confirm that you don't see "To do: Complete activity" on them.

Testing - Third-party activities with custom completion

1. Check the third-party activities
2. Confirm that you see To do: Complete the activity for the third-party activities.
3. Complete the third-party activities.
4. Go back to the course page.
5. Make sure the activity you completed is now flagged Done: Complete the activity