requestCount: 2,
		},
	}
	for _, test := range tests {
		node, _ := test.nodeHandler.Get(context.TODO(), test.nodeName, metav1.GetOptions{})
		err := RemoveTaintOffNode(context.TODO(), test.nodeHandler, test.nodeName, node, test.taintsToRemove...)
		assert.NoError(t, err, "%s: RemoveTaintOffNode() error = %v", test.name, err)

		node, _ = test.nodeHandler.Get(context.TODO(), test.nodeName, metav1.GetOptions{})

	}
	for i := range c.eventHandlers {
		c.logger.V(4).Info("Calling handler.OnServiceDelete")
		c.eventHandlers[i].OnServiceDelete(service)
	}
}

// NodeHandler is an abstract interface of objects which receive
// notifications about node object changes.
type NodeHandler interface {
	// OnNodeAdd is called whenever creation of new node object
	// is observed.
	OnNodeAdd(node *v1.Node)

		if node.Name == nodes[i].Name {
			return true
		}
	}
	return false
}

// GetZones returns list of zones for all Nodes stored in FakeNodeHandler
func GetZones(nodeHandler *FakeNodeHandler) []string {
	nodes, _ := nodeHandler.List(context.TODO(), metav1.ListOptions{})
	zones := sets.NewString()
	for _, node := range nodes.Items {
		zones.Insert(utilnode.GetZoneKey(&node))
	}
	return zones.List()
}