Merge pull request #15386 from edx/sofiya/ed-378

common/djangoapps/django_comment_common/models.py

common/djangoapps/django_comment_common/tests.py

common/djangoapps/django_comment_common/utils.py

common/djangoapps/student/tests/test_auto_auth.py

lms/djangoapps/django_comment_client/base/tests.py

lms/djangoapps/django_comment_client/base/views.py

lms/djangoapps/django_comment_client/permissions.py

lms/djangoapps/django_comment_client/tests/test_utils.py

lms/djangoapps/django_comment_client/utils.py

lms/djangoapps/instructor/views/api.py

...mplates/instructor/instructor_dashboard_2/membership.html