CheckRun.fromJson fails when passed CheckRun.toJson

[jtmcdole]

A newly created CheckRun with a conclusion of null (empty) will encode as "null". This fails parsing with "This level of check run conclusion is unimplemented" when passed the contents of a newly created checkrun.

github.dart/lib/src/common/model/checks.dart

Lines 44 to 76 in 8169398

	class CheckRunConclusion extends EnumWithValue {
	static const success = CheckRunConclusion._('success');
	static const failure = CheckRunConclusion._('failure');
	static const neutral = CheckRunConclusion._('neutral');
	static const cancelled = CheckRunConclusion._('cancelled');
	static const timedOut = CheckRunConclusion._('timed_out');
	static const skipped = CheckRunConclusion._('skipped');
	static const actionRequired = CheckRunConclusion._('action_required');
	static const empty = CheckRunConclusion._(null);
	const CheckRunConclusion._(super.value);
	factory CheckRunConclusion._fromValue(String? value) {
	if (value == null) {
	return empty;
	}
	for (final level in const [
	success,
	failure,
	neutral,
	cancelled,
	timedOut,
	skipped,
	actionRequired
	]) {
	if (level.value == value) {
	return level;
	}
	}
	throw Exception(
	'This level of check run conclusion is unimplemented: $value.');
	}
	}

[github-actions]

👋 Thanks for reporting! @robrbecker will take a look.