Return FALSE and show the message " Course created fail! Duration is invalid."
Question 2 (4 points): Assume you are assigned to do the Integration Test between GUI and the back-end process of the Create new lesson function.
Create New Lesson
Lesson Name:
format: no special character!
Lesson Type:
format: no special character!
Duration (minutes):format: number only!
Description:
Lesson main content:
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+ 100%
Close
60
