{DeprecatedTopology: nil},
				},
			},
			expectedNodeNames: sets.NewString(),
		},
	}

	for _, tc := range testcases {
		t.Run(tc.name, func(t *testing.T) {
			actualNames := getDeprecatedTopologyNodeNames(tc.endpointSlice)
			if !tc.expectedNodeNames.Equal(actualNames) {
				t.Errorf("Expected %+v node names, got %+v", tc.expectedNodeNames, actualNames)
			}
		})
	}
}