fix typo in config_test.go

pkg/kubelet/config/config_test.go

@@ -380,7 +380,7 @@ func TestPodUpdateAnnotations(t *testing.T) {
 	channel <- podUpdate
 	expectPodUpdate(t, ch, CreatePodUpdate(kubetypes.ADD, TestSource, CreateValidPod("foo1", "new"), pod, CreateValidPod("foo3", "new")))
 
-	pod.Annotations["kubenetes.io/blah"] = "superblah"
+	pod.Annotations["kubernetes.io/blah"] = "superblah"
 	podUpdate = CreatePodUpdate(kubetypes.SET, TestSource, CreateValidPod("foo1", "new"), pod, CreateValidPod("foo3", "new"))
 	channel <- podUpdate
 	expectPodUpdate(t, ch, CreatePodUpdate(kubetypes.UPDATE, TestSource, pod))