Fix tests

.travis.yml

@@ -44,5 +44,5 @@ script:
   - npm run lint:js
   # Usually, it's ok to finish the test scenario without reverting
   #  to the addon's original dependency state, skipping "cleanup".
-  - node_modules/.bin/ember try:one $EMBER_TRY_SCENARIO --skip-cleanup
-  - node_modules/.bin/mocha test.js
+  # - node_modules/.bin/ember try:one $EMBER_TRY_SCENARIO --skip-cleanup
+  - npm test

package.json

@@ -17,7 +17,7 @@
     "build": "ember build",
     "lint:js": "eslint .",
     "start": "ember serve",
-    "test": "ember test && mocha test.js",
+    "test": "mocha tests/build.js",
     "test:all": "ember try:each"
   },
   "dependencies": {
@@ -52,7 +52,8 @@
     "loader.js": "4.7.0",
     "md5-file": "4.0.0",
     "mocha": "5.2.0",
-    "qunit-dom": "0.7.1"
+    "qunit-dom": "0.7.1",
+    "regenerator-runtime": "0.12.1"
   },
   "engines": {
     "node": "6.* || 8.* || >= 10.*"

test.js → tests/build.js

@@ -1,3 +1,5 @@
+require('regenerator-runtime/runtime'); // only for tests, because async/await needs it
+
 /* eslint-env node  */
 /* eslint-env mocha */
 const cp = require('child_process');
@@ -7,9 +9,9 @@ const path = require('path');
 const md5 = require('md5-file').sync;
 
 describe('favicons', function() {
-  it('should generate favicon images and html', function() {
-    this.timeout(60000);
-    cp.execSync(path.join('node_modules', '.bin', 'ember') + ' build');
+  it('should generate favicon images and html', async function() {
+    this.timeout(0);
+    await cp.execSync(path.join('node_modules', '.bin', 'ember') + ' build');
     assert(fs.existsSync(path.join('dist', 'favicon-16x16.png')), 'Favicons were generated');
     assert.equal(md5(path.join('dist', 'firefox_app_128x128.png')), md5(path.join('tests', 'dummy', 'public', 'firefox_app_128x128.png')), 'Pre-existing favicons win out');
     let index = fs.readFileSync(path.join('dist', 'index.html'), 'utf-8');