Create four assignments in a course with the following settings:   Completion tracking Activity dates Assign 1 Either auto or manual At least one activity date set Assign 2 Either auto or manual No Assign 3 No At least one activity date set Assign 4 No No Visit each assignment. Confirm that assignments 1-3 show the activity information. Confirm that assignment 4 does not show the activity information and that the horizontal line separator is not being displayed.