for _, tc := range testCases {
		t.Run(tc.desc, func(t *testing.T) {
			featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.LoadBalancerIPMode, tc.ipModeEnabled)
			svcTracker := NewServiceChangeTracker(nil, tc.ipFamily, nil, nil)
			// outputs
			newServices := svcTracker.serviceToServiceMap(tc.service)

			if len(newServices) != len(tc.expected) {

		hcn:                   hcnMock,
		endPointsRefCount:     make(endPointsReferenceCountMap),
		forwardHealthCheckVip: true,
		mapStaleLoadbalancers: make(map[string]bool),
	}

	serviceChanges := proxy.NewServiceChangeTracker(proxier.newServiceInfo, v1.IPv4Protocol, nil, proxier.serviceMapChange)
	endpointsChangeTracker := proxy.NewEndpointsChangeTracker(hostname, proxier.newEndpointInfo, v1.IPv4Protocol, nil, proxier.endpointsMapChange)