Lesson grade handling is buggy when scales in use

Setup Create a course. Create 4 users. Enrol users to the course. Restore 2 attached activities or create them manually with the following steps. Create lesson activity with the following settings: Set lesson name to Lesson (score) . Set Grade type to Scale . Set Scale to Separate and Connected ways of knowing . Set Allow student review to Yes . Set Re-takes allowed to Yes . Edit the lesson and add 3 true/false questions. Duplicate Lesson (score) activity and rename it to Lesson (point) . Edit Lesson (point) activity. Set Grade type to Point_. Set Maximum grade to 100. Testing instructions Log in as User 1. Attempt Lesson (score) and answer all 3 questions correctly. Confirm , that after completing the lesson Your score is 3 (out of 3)  is displayed. Confirm , that Your current grade is Mostly connected knowing is displayed. Attempt Lesson (point) and answer all 3 questions correctly. Confirm , that after completing the lesson Your score is 3 (out of 3)  is displayed. Confirm , that Your current grade is 100.0 out of 100 is displayed. Log in as User 2. Attempt Lesson (score) and answer only 2 questions correctly. Confirm , that after completing the lesson Your score is 2 (out of 3)  is displayed. Confirm , that Your current grade is Separate and connected is displayed. Attempt Lesson (point) and answer 2 questions correctly. Confirm , that after completing the lesson Your score is 2 (out of 3)  is displayed. Confirm , that Your current grade is 66.7 out of 100 is displayed. Log in as User 3. Attempt Lesson (score) and answer only 1 question correctly. Confirm , that after completing the lesson Your score is 1 (out of 3)  is displayed. Confirm , that Your current grade is Mostly separate knowing is displayed. Attempt Lesson (point) and answer only 1 question correctly. Confirm , that after completing the lesson Your score is 1 (out of 3)  is displayed. Confirm , that Your current grade is 33.3 out of 100 is displayed. Log in as User 4. Attempt Lesson (score) and answer all questions incorrectly. Confirm , that after completing the lesson Your score is 0 (out of 3)  is displayed. Confirm , that Your current grade is Mostly separate knowing is displayed. Attempt Lesson (point) and answer all questions incorrectly. Confirm , that after completing the lesson Your score is 0 (out of 3)  is displayed. Confirm , that Your current grade is 0.0 out of 100 is displayed.