test: make mdns test stable

We need to ensure that the actual mdns module is not loaded in any test
so that we can make it virtual. If this is not done the ClusterService
tests will be flaky if the mdns module is installed and compiled on the
machine.

src/entities/entities.controller.spec.ts

@@ -12,6 +12,8 @@ import { ConfigModule } from '../config/config.module';
 import { BinarySensor } from './binary-sensor';
 import { Camera } from './camera';
 
+jest.mock('mdns', () => ({}), { virtual: true });
+
 describe('Entities Controller', () => {
   let controller: EntitiesController;
   let service: EntitiesService;

src/entities/entities.service.spec.ts

@@ -11,6 +11,8 @@ import { ClusterModule } from '../cluster/cluster.module';
 import { Switch } from './switch';
 import { ConfigModule } from '../config/config.module';
 
+jest.mock('mdns', () => ({}), { virtual: true });
+
 describe('EntitiesService', () => {
   let service: EntitiesService;
   const emitter: EventEmitter = new EventEmitter();

src/integrations/bluetooth-classic/bluetooth-classic.service.spec.ts

@@ -32,6 +32,7 @@ import { Device } from './device';
 import { DeviceTracker } from '../../entities/device-tracker';
 import * as util from 'util';
 
+jest.mock('mdns', () => ({}), { virtual: true });
 jest.mock('../room-presence/room-presence-distance.sensor');
 jest.mock('kalmanjs', () => {
   return jest.fn().mockImplementation(() => {

src/integrations/bluetooth-low-energy/bluetooth-low-energy.service.spec.ts

@@ -1,3 +1,4 @@
+jest.mock('mdns', () => ({}), { virtual: true });
 jest.mock('kalmanjs', () => {
   return jest.fn().mockImplementation(() => {
     return {

src/integrations/gpio/gpio.service.spec.ts

@@ -10,6 +10,7 @@ import { mocked } from 'ts-jest/utils';
 import { ClusterService } from '../../cluster/cluster.service';
 import { GpioSwitch } from './gpio.switch';
 
+jest.mock('mdns', () => ({}), { virtual: true });
 jest.mock('onoff');
 
 describe('GpioService', () => {

src/integrations/grid-eye/grid-eye.service.spec.ts

@@ -15,6 +15,7 @@ import { Sensor } from '../../entities/sensor';
 import i2cBus from 'i2c-bus';
 import * as math from 'mathjs';
 
+jest.mock('mdns', () => ({}), { virtual: true });
 jest.mock(
   'i2c-bus',
   () => {

src/integrations/home-assistant/home-assistant.service.spec.ts

@@ -29,6 +29,7 @@ import { HomeAssistantConfig } from './home-assistant.config';
 import { ConfigService } from '../../config/config.service';
 import c from 'config';
 
+jest.mock('mdns', () => ({}), { virtual: true });
 jest.mock('async-mqtt', () => {
   return {
     connectAsync: jest.fn().mockReturnValue(mockMqttClient),

src/integrations/omron-d6t/omron-d6t.service.spec.ts

@@ -14,6 +14,7 @@ import { Sensor } from '../../entities/sensor';
 import { I2CError } from './i2c.error';
 import i2cBus from 'i2c-bus';
 
+jest.mock('mdns', () => ({}), { virtual: true });
 jest.mock(
   'i2c-bus',
   () => {

src/integrations/shell/shell.service.spec.ts

@@ -11,6 +11,7 @@ import { CronJob } from 'cron';
 import * as util from 'util';
 import { ShellSwitch } from './shell.switch';
 
+jest.mock('mdns', () => ({}), { virtual: true });
 jest.mock('cron');
 jest.mock('util', () => ({
   ...jest.requireActual('util'),

src/integrations/xiaomi-mi/xiaomi-mi.service.spec.ts

@@ -1,3 +1,4 @@
+jest.mock('mdns', () => ({}), { virtual: true });
 jest.mock(
   '@mkerix/noble',
   () => {

src/status/status.service.spec.ts

@@ -7,6 +7,8 @@ import { EntitiesService } from '../entities/entities.service';
 import { ClusterService } from '../cluster/cluster.service';
 import { Sensor } from '../entities/sensor';
 
+jest.mock('mdns', () => ({}), { virtual: true });
+
 describe('StatusService', () => {
   let service: StatusService;
   const entitiesService = {