Environment Setup Create a test course size XS Visit the Course Page -> Assignment 1 Under Settings > Availability, enable 'Due date' and 'Cut-off Date' Test Calendar Event Creation In the assign module, click 'View all submission' button Within the grading table for the first user, click Edit -> Grant extension Check enable next to 'Extension due date' Set extension due date to a date two days in the future and save Login as the user with the extension Navigate to the 'Dashboard' page and confirm that both the original due date and the extension due date events are shown Test Revoking Extension In the assign module, click 'View all submission' button Within the grading table for the user with an extension, click Edit -> Grant extension Uncheck enable next to 'Extension due date' and save Login as the user with the extension revoked Navigate to the 'Dashboard' page and confirm that only the original due date is shown