PraiseSatan 982d1bb1c8 MDL-69496 quiz: Only validate completion if unlocked
Quiz completion settings are only validated if they are unlocked.
Undefined behaviour in the forms API results in the completion
settings 'require passing grade' and 'completion attempts exhausted'
not being sent to the process options function if completion
settings are locked. This resulted in the completion attempts
exhausted setting being disabled whenever the quiz was saved
as it did not detect the require passing grade setting.
This changes the behaviour so that validation is only performed
if the completion settings are unlocked.
A behat test is included to ensure the setting does not change.
2021-11-17 09:11:29 +11:00
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