Confirm unit tests pass. Prerequisites: Requires 2 browsers or one incognito tab. Login as admin in one and student in the other. An additional teacher user. Manual testing Case 1 Login as Admin Create a Course Enroll a Student and Teacher in the Course Create an Assignment in Course In 'Submission settings' set Attempts reopened = Manually Maximum attempts = Unlimited Require students to click the submit button = Yes Login as Student. Go to Course > Assignment Add and submit a submission Login as Admin Go to Course > Assignment and click on "Grade" In the Grader panel Add a grade for the Student's submission and Allow another attempt Login as Student. Go to Course > Assignment Verify there is no grader information shown under Feedback, Graded by Modify the submission by either clicking the 'Add new attempt' or 'Add to existing attempt' button After submitting the modification,  before clicking the submit button, CONFIRM the graded by still appears as the grader. Submit the assignment As an admin, go to the assignment and view all submissions Login as Teacher Go to the course and the assignment and view all submissions Update the grade for the assignment  As a student, in the assignment  confirm  that the graded by is now the Teacher. Login as an admin and Revert to draft the recently submitted assignment. As a student, in the assignment  confirm  that the graded by is still the grader and not the student. Case2: Group assignments Login as Admin Create a Course Enroll a few Students and a Teacher in the Course Create a couple of groups with the students enrolled Students 1 and 2 in groupA The rest in other groups Create an Assignment in Course In 'Submission settings' set Attempts reopened = Manually Maximum attempts = Unlimited Require students to click the submit button = Yes Group submission settings Students submit in groups - Yes Login as Student1. Go to Course > Assignment Add and submit a submission Login as Admin Go to Course > Assignment and click on "Grade" In the Grader panel Add a grade for the Student's submission and Allow another attempt Login as Student1. Go to Course > Assignment Verify there is   no grader information shown under Feedback, Graded by Login as Student2 Repeat #12-#13 Modify the submission by either clicking the 'Add new attempt' or 'Add to existing attempt' button After submitting the modification,  before clicking the submit button, CONFIRM the graded by still appears as the grader. Submit the assignment As an admin, go to the assignment and view all submissions and add a grade for the assignment Login as Teacher Go to the course and the assignment and view all submissions Update the grade for the same submission    As student1, in the assignment  confirm  that the graded by is now the Teacher. Login as the admin and Revert to draft the recently submitted assignment. As a student1, in the assignment  confirm  that the graded by is still the grader and not the student. As student 2, in the assignment  confirm  that the graded by is still the grader and not the student.   Repeat: The manual test from MDL-60685