fullReactorChain := append(opts.PrependReactors, defaultReactorChain...)
	fullReactorChain = append(fullReactorChain, opts.AppendReactors...)

	// Prepend the reaction chain with our reactors. Important, these MUST be prepended; not appended due to how the fake clientset works by default

			kubeClient := testKubelet.fakeKubeClient
			existingNode := v1.Node{ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname}}
			kubeClient.ReactionChain = fake.NewSimpleClientset(&v1.NodeList{Items: []v1.Node{existingNode}}).ReactionChain
			kubelet.nodeLister = delegatingNodeLister{client: kubeClient}
			machineInfo := &cadvisorapi.MachineInfo{
				MachineID:      "123",
				SystemUUID:     "abc",