fix tests

src/test/dns-test.js

@@ -7,46 +7,20 @@
 
 'use strict';
 
-var async = require('async'),
-    AWS = require('aws-sdk'),
-    GCDNS = require('@google-cloud/dns').DNS,
-    database = require('../database.js'),
+const AWS = require('aws-sdk'),
+    common = require('./common.js'),
     domains = require('../domains.js'),
     expect = require('expect.js'),
+    GCDNS = require('@google-cloud/dns').DNS,
     nock = require('nock'),
-    querystring = require('querystring'),
-    settings = require('../settings.js'),
-    util = require('util'),
     _ = require('underscore');
 
-var DOMAIN_0 = {
-    domain: 'example-dns-test.com',
-    zoneName: 'example-dns-test.com',
-    provider: 'noop',
-    config: {},
-    fallbackCertificate: null,
-    tlsConfig: { provider: 'fallback' },
-    wellKnown: null
-};
-
-var AUDIT_SOURCE = { ip: '1.2.3.4' };
+const { AUDIT_SOURCE, DOMAIN } = common;
+const DOMAIN_0 = Object.assign({}, DOMAIN); // make a copy
 
 describe('dns provider', function () {
-    before(function (done) {
-        async.series([
-            database.initialize,
-            database._clear,
-            settings.setDashboardLocation.bind(null, DOMAIN_0.domain, 'my.' + DOMAIN_0.domain),
-            domains.add.bind(null, DOMAIN_0.domain, DOMAIN_0, AUDIT_SOURCE)
-        ], done);
-    });
-
-    after(function (done) {
-        async.series([
-            database._clear,
-            database.uninitialize
-        ], done);
-    });
+    before(common.setup);
+    after(common.cleanup);
 
     describe('noop', function () {
         before(function (done) {