use windowProxy to avoid mangling URL during team acceptance tests

app/controllers/team/user.js

@@ -2,6 +2,7 @@ import Controller from '@ember/controller';
 import Ember from 'ember';
 import boundOneWay from 'ghost-admin/utils/bound-one-way';
 import isNumber from 'ghost-admin/utils/isNumber';
+import windowProxy from 'ghost-admin/utils/window-proxy';
 import {alias, and, not, or, readOnly} from '@ember/object/computed';
 import {computed} from '@ember/object';
 import {htmlSafe} from '@ember/string';
@@ -182,7 +183,7 @@ export default Controller.extend({
                 newPath[newPath.length - 1] = model.get('slug');
                 newPath = newPath.join('/');
 
-                window.history.replaceState({path: newPath}, '', newPath);
+                windowProxy.replaceState({path: newPath}, '', newPath);
             }
 
             this.set('dirtyAttributes', false);

app/utils/window-proxy.js

@@ -5,5 +5,9 @@ export default {
 
     replaceLocation(url) {
         window.location.replace(url);
+    },
+
+    replaceState(params, title, url) {
+        window.history.replaceState(params, title, url);
     }
 };

tests/acceptance/team-test.js

@@ -3,6 +3,7 @@ import ctrlOrCmd from 'ghost-admin/utils/ctrl-or-cmd';
 import destroyApp from '../helpers/destroy-app';
 import moment from 'moment';
 import startApp from '../helpers/start-app';
+import windowProxy from 'ghost-admin/utils/window-proxy';
 import {Response} from 'ember-cli-mirage';
 import {afterEach, beforeEach, describe, it} from 'mocha';
 import {authenticateSession, invalidateSession} from '../helpers/ember-simple-auth';
@@ -449,7 +450,7 @@ describe('Acceptance: Team', function () {
         });
 
         describe('existing user', function () {
-            let user;
+            let user, newLocation, originalReplaceState;
 
             beforeEach(function () {
                 user = server.create('user', {
@@ -458,6 +459,16 @@ describe('Acceptance: Team', function () {
                     facebook: 'test',
                     twitter: '@test'
                 });
+
+                originalReplaceState = windowProxy.replaceState;
+                windowProxy.replaceState = function (params, title, url) {
+                    newLocation = url;
+                };
+                newLocation = undefined;
+            });
+
+            afterEach(function () {
+                windowProxy.replaceState = originalReplaceState;
             });
 
             it('input fields reset and validate correctly', async function () {
@@ -511,6 +522,9 @@ describe('Acceptance: Team', function () {
 
                 expect(params.users[0].name).to.equal('Test User');
 
+                // check that the history state has been updated
+                expect(newLocation).to.equal('Test User');
+
                 await fillIn('[data-test-slug-input]', 'white space');
                 await triggerEvent('[data-test-slug-input]', 'blur');