Steps:

1. Create a new users group in Admin/Users
2. Create a new user in a group from previous step
3. Create a new role
4. Add random policy to the role
5. Add Assignments: no limitations and group from step 1.
6. Go to the group from step 1. and click Roles tab - Role appears. Go to the user from step. 2 and click Roles tab - there are no roles at all.
7. Go to the role from step 3. and add another assignment: Section:standard and user: user from step 2.

Actual result:

If you go to the group from step 1. and click Roles tab - Role appears. Go now to the user from step. 2 and click Roles tab - there are two roles now.

Expected result:

Roles tab should be refreshed in step 6.