Use correct namespace in unit tests that use fake clientset

Fake clientset no longer needs to be prepopulated with records: keeping
them in leads to the name conflict on creates. Also, since fake
clientset now respects namespaces, we need to correctly populate them.

pkg/kubectl/describe_test.go

@@ -578,6 +578,9 @@ func TestDescribeEvents(t *testing.T) {
 	events := &api.EventList{
 		Items: []api.Event{
 			{
+				ObjectMeta: api.ObjectMeta{
+					Namespace: "foo",
+				},
 				Source:         api.EventSource{Component: "kubelet"},
 				Message:        "Item 1",
 				FirstTimestamp: unversioned.NewTime(time.Date(2014, time.January, 15, 0, 0, 0, 0, time.UTC)),