svcKey := service.Key()
	for port, inst := range instances {
		if _, exists := ps.ServiceIndex.instancesByPort[svcKey]; !exists {
			ps.ServiceIndex.instancesByPort[svcKey] = make(map[int][]*IstioEndpoint)
		}
		ps.ServiceIndex.instancesByPort[svcKey][port] = append(ps.ServiceIndex.instancesByPort[svcKey][port], inst...)
	}
}

// StatusJSON implements json.Marshaller, with a lock.

							EndpointPort:    8000,
							ServicePortName: "uds",
						},
					},
				},
			},
		},
	}

	ps.initServiceRegistry(env, nil)
	instancesByPort := ps.ServiceIndex.instancesByPort[svc5_1.Key()]
	assert.Equal(t, len(instancesByPort), 2)
}

func TestGetHostsFromMeshConfig(t *testing.T) {
	ps := NewPushContext()
	env := &Environment{Watcher: mesh.NewFixedWatcher(&meshconfig.MeshConfig{

		t.Fatalf("eds update after adding workload entry did not match expected list. got %v, want %v",
			gotEndpointIPs, expectedEndpointIPs)
	}

	// Check if InstancesByPort returns the same list
	converted := controller.Services()
	if len(converted) != 1 {
		t.Fatalf("failed to get services (%v), converted", converted)
	}