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@chul0061 Thanks for the contribution! Can you add a test for this change?

@MitchellGoodwin
Hello,
I have added a test for this PR.
Please take a look, and let me know if there are any issues.
Thanks!

Looks like the analyzer is complaining about formatting in the test file. You can fix that by running one of the commands mentioned with the error here: https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8721874116024728257/+/u/run_test.dart_for_analyze_shard_and_subshard_None/stdout

Or by using the dart formatter, which we recently enabled.

@MitchellGoodwin fixed the issue.
Thanks for your explanation!

Yes, I can confirm that the correct format in Korean is AM/PM : hour : minute.