WidgetSelectors do nothing until they are snapshotted. Not using the selector is therefore a mistake or unnecessary
spot<FloatingActionButtion>(); // does nothing, warning
final fab = spot<FloatingActionButtion>(); // ok
spot<FloatingActionButtion>().existsOnce(); // ok
WidgetSelectors
do nothing until they are snapshotted. Not using the selector is therefore a mistake or unnecessary