container method
Finds the ProviderContainer in the widget tree.
If of
is provided, searches for the container within the context of
the specified finder.
Implementation
@visibleForTesting
ProviderContainer container({flutter_test.Finder? of}) {
if (of != null) {
final element = this.element(of);
return ProviderScope.containerOf(element, listen: false);
}
final scope = widget(flutter_test.find.byType(UncontrolledProviderScope));
return (scope as UncontrolledProviderScope).container;
}