Tran Quang Loc 398d05f4da Add tests for default-value and unused opts. 2 lat temu
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exit_code 6a52d7ded3 WIP: tests 2 lat temu
stderr 398d05f4da Add tests for default-value and unused opts. 2 lat temu
stdout 6a52d7ded3 WIP: tests 2 lat temu