flingLeft static method
Flings the cell left with the specified velocity.
Implementation
static Future<void> flingLeft(WidgetTester tester, Finder finder,
{double velocity = 1000}) async {
await tester.fling(
finder, const Offset(-100, 0), velocity.clamp(100, double.infinity),
warnIfMissed: false);
await tester.pumpAndSettle();
}