test mcq invalid option not detected

[nus-pe-bot]

In test mcq mode, entering 22 to a mcq with 3 options will show a red 'correct' with the actual correct answer being 1

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_{[original: nus-cs2103-AY1920S1/pe-interim#554]}

[groot0x12]

Team's Response

Accepted but would like to reduce the severity as bug does not crash the app and only affects that single question.

Duplicate status (if any):

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