Merge rust-lang#1295

1295: Set a constant faker seed for deterministic tests. r=carols10cents

A crucial fix for visual testing.

Connects to rust-lang#1293.

Author: bors-voyager[bot]

tests/acceptance/categories-test.js

@@ -3,7 +3,7 @@ import { setupApplicationTest } from 'ember-qunit';
 import { visit } from '@ember/test-helpers';
 import a11yAudit from 'ember-a11y-testing/test-support/audit';
 import axeConfig from '../axe-config';
-import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import setupMirage from '../helpers/setup-mirage';
 import { percySnapshot } from 'ember-percy';
 
 module('Acceptance | categories', function(hooks) {

tests/acceptance/crate-test.js

@@ -4,7 +4,7 @@ import { setupApplicationTest } from 'ember-qunit';
 import { click, fillIn, currentURL, currentRouteName, visit } from '@ember/test-helpers';
 import a11yAudit from 'ember-a11y-testing/test-support/audit';
 import axeConfig from '../axe-config';
-import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import setupMirage from '../helpers/setup-mirage';
 import { percySnapshot } from 'ember-percy';
 
 module('Acceptance | crate page', function(hooks) {

tests/acceptance/crates-test.js

@@ -3,7 +3,7 @@ import { setupApplicationTest } from 'ember-qunit';
 import { click, currentURL, visit } from '@ember/test-helpers';
 import a11yAudit from 'ember-a11y-testing/test-support/audit';
 import axeConfig from '../axe-config';
-import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import setupMirage from '../helpers/setup-mirage';
 import { percySnapshot } from 'ember-percy';
 
 module('Acceptance | crates page', function(hooks) {

tests/acceptance/front-page-test.js

@@ -3,7 +3,7 @@ import { setupApplicationTest } from 'ember-qunit';
 import { currentURL, visit } from '@ember/test-helpers';
 import a11yAudit from 'ember-a11y-testing/test-support/audit';
 import axeConfig from '../axe-config';
-import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import setupMirage from '../helpers/setup-mirage';
 import { percySnapshot } from 'ember-percy';
 
 module('Acceptance | front page', function(hooks) {

tests/acceptance/keyword-test.js

@@ -3,7 +3,7 @@ import { setupApplicationTest } from 'ember-qunit';
 import { visit } from '@ember/test-helpers';
 import a11yAudit from 'ember-a11y-testing/test-support/audit';
 import axeConfig from '../axe-config';
-import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import setupMirage from '../helpers/setup-mirage';
 import { percySnapshot } from 'ember-percy';
 
 module('Acceptance | keywords', function(hooks) {

tests/acceptance/search-test.js

@@ -4,7 +4,7 @@ import { fillIn, currentURL, triggerEvent, visit, blur } from '@ember/test-helpe
 import a11yAudit from 'ember-a11y-testing/test-support/audit';
 import { triggerKeyDown, triggerKeyPress } from 'ember-keyboard';
 import axeConfig from '../axe-config';
-import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import setupMirage from '../helpers/setup-mirage';
 import { percySnapshot } from 'ember-percy';
 
 module('Acceptance | search', function(hooks) {

tests/acceptance/team-page-test.js

@@ -3,7 +3,7 @@ import { setupApplicationTest } from 'ember-qunit';
 import { visit } from '@ember/test-helpers';
 import a11yAudit from 'ember-a11y-testing/test-support/audit';
 import axeConfig from '../axe-config';
-import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import setupMirage from '../helpers/setup-mirage';
 import { percySnapshot } from 'ember-percy';
 
 module('Acceptance | team page', function(hooks) {

tests/acceptance/user-page-test.js

@@ -3,7 +3,7 @@ import { setupApplicationTest } from 'ember-qunit';
 import { visit } from '@ember/test-helpers';
 import a11yAudit from 'ember-a11y-testing/test-support/audit';
 import axeConfig from '../axe-config';
-import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import setupMirage from '../helpers/setup-mirage';
 import { percySnapshot } from 'ember-percy';
 
 module('Acceptance | user page', function(hooks) {

tests/helpers/setup-mirage.js

@@ -0,0 +1,11 @@
+import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import { faker } from 'ember-cli-mirage';
+
+export default function(hooks) {
+    setupMirage(hooks);
+
+    // To have deterministic visual tests, the seed has to be constant
+    hooks.beforeEach(function() {
+        faker.seed(12345);
+    });
+}