<NME> testem.js
<BEF> /* eslint-env node */
module.exports = {
  test_page: 'tests/index.html?hidepassed',
  disable_watching: true,
  launch_in_ci: [
    'Chrome'
  ],
  launch_in_dev: [
    'Chrome'
  ],
  browser_args: {
    Chrome: {
      mode: 'ci',
      args: [
        '--disable-gpu',
        '--headless',
        '--remote-debugging-port=0',
        '--window-size=1440,900'
      ]
    }
  }
};

<MSG> Merge pull request #184 from Turbo87/fix-ci

testem: Use `--no-sandbox` on TravisCI
<DFF> @@ -12,11 +12,14 @@ module.exports = {
     Chrome: {
       mode: 'ci',
       args: [
+        // --no-sandbox is needed when running Chrome inside a container
+        process.env.TRAVIS ? '--no-sandbox' : null,
+
         '--disable-gpu',
         '--headless',
         '--remote-debugging-port=0',
         '--window-size=1440,900'
-      ]
+      ].filter(Boolean)
     }
   }
 };

Merge pull request #184 from Turbo87/fix-ci