Update linter

src/spec/mock-mqtt.ts

@@ -2,7 +2,7 @@ import * as mqtt from 'mqtt'
 
 let mqttClient: mqtt.MqttClient
 function startServer(): Promise<mqtt.MqttClient> {
-  return new Promise(async (resolve) => {
+  return new Promise(async resolve => {
     mqttClient = await connectMqtt()
     generateData(mqttClient)
     resolve(mqttClient)
@@ -10,7 +10,7 @@ function startServer(): Promise<mqtt.MqttClient> {
 }
 
 function connectMqtt(): Promise<mqtt.MqttClient> {
-  return new Promise((resolve) => {
+  return new Promise(resolve => {
     const client = mqtt.connect('mqtt://127.0.0.1:1883', {
       username: '',
       password: '',

src/spec/util/expandTopic.ts

@@ -24,6 +24,6 @@ async function topicMatches(topics: Array<string>, browser: Browser) {
 }
 
 function topicSelector(topics: Array<string>) {
-  const suffix = topics.map((topic) => `*[contains(text(), "${topic}")]`).join('/../..//')
+  const suffix = topics.map(topic => `*[contains(text(), "${topic}")]`).join('/../..//')
   return `//${suffix}`
 }

src/spec/util/index.ts

@@ -9,7 +9,7 @@ export function setFast() {
 }
 
 export function sleep(ms: number, required = false) {
-  return new Promise((resolve) => {
+  return new Promise(resolve => {
     if (required) {
       setTimeout(resolve, ms)
     } else {