replace delay.js with timers/promises

src/routes/test/common.js

@@ -2,7 +2,6 @@
 
 const constants = require('../../constants.js'),
     database = require('../../database.js'),
-    delay = require('../../delay.js'),
     expect = require('expect.js'),
     fs = require('fs'),
     mailer = require('../../mailer.js'),
@@ -13,6 +12,7 @@ const constants = require('../../constants.js'),
     support = require('../../support.js'),
     superagent = require('superagent'),
     tasks = require('../../tasks.js'),
+    timers = require('timers/promises'),
     tokens = require('../../tokens.js');
 
 exports = module.exports = {
@@ -75,7 +75,7 @@ async function setup() {
         .send({ domainConfig: { provider: 'noop', domain: exports.dashboardDomain, config: {}, tlsConfig: { provider: 'fallback' } } });
     expect(response.status).to.eql(200);
 
-    await delay(2000);
+    await timers.setTimeout(2000);
 
     // create admin
     response = await superagent.post(`${serverUrl}/api/v1/cloudron/activate`)
@@ -119,7 +119,7 @@ function clearMailQueue() {
 }
 
 async function checkMails(number) {
-    await delay(1000);
+    await timers.setTimeout(1000);
     expect(mailer._mailQueue.length).to.equal(number);
     clearMailQueue();
 }
@@ -133,7 +133,7 @@ async function waitForTask(taskId) {
             if (result.success) return result;
             throw new Error(`Task ${taskId} failed: ${result.error.message} - ${result.error.stack}`);
         }
-        await delay(2000);
+        await timers.setTimeout(2000);
         console.log(`Waiting for task to ${taskId} finish`);
     }
     throw new Error(`Task ${taskId} never finished`);