t.Run(name, func(t *testing.T) {
			oldEndpoints := baseEndpoints.DeepCopy()
			tc.tweakOldEndpoints(oldEndpoints)
			newEndpoints := baseEndpoints.DeepCopy()
			tc.tweakNewEndpoints(newEndpoints)

			errs := ValidateEndpointsUpdate(newEndpoints, oldEndpoints)
			if len(errs) != tc.numExpectedErrors {
				t.Errorf("Expected %d validation errors, got %d: %v", tc.numExpectedErrors, len(errs), errs)