whereTop method
Creates a WidgetSelector that finds all SafeArea where top matches the condition.
Example usage:
spot<SafeArea>().whereTop((it) => it.isTrue()).existsOnce();
Implementation
@useResult
WidgetSelector<SafeArea> whereTop(MatchProp<bool> match) {
return withDiagnosticProp<bool>('top', match);
}