anchor.diff:        ),
       );
   
  -    // Tap at the delete icon of the chip, which is at the right
  -    // side of the chip
  +    // Hover over the delete icon of the chip
       final Offset centerOfDeleteButton = tester.getCenter(find.byKey(deleteButtonKey));
       final TestGesture hoverGesture = await tester.createGesture(kind: PointerDeviceKind.mouse);
       await hoverGesture.moveTo(centerOfDeleteButton);
  
positive.code:       ),
      );
  
      // Hover over the delete icon of the chip, which is at the right side of the
      // chip
      final Offset centerOfDeleteButton = tester.getCenter(find.byKey(deleteButtonKey));
      final TestGesture hoverGesture = await tester.createGesture(kind: PointerDeviceKind.mouse);
      await hoverGesture.moveTo(centerOfDeleteButton);
  
negative.code: 
      await tester.pump();
  
      // Wait for some more time while hovering over the delete button
      await tester.pumpAndSettle();
  
      // There should not be a chip tooltip
      expect(findTooltipContainer('Chip Tooltip'), findsNothing);
      // There should be a delete button tooltip
      expect(findTooltipContainer('Delete'), findsOneWidget);
    });
  
  