I'm seeing four of these errors when running the tests. Any idea why?
<details>
<summary>Pasted from the travis job log</summary>
<pre>mounted
✔ spa › / (basic spa) (835ms)
Error: Uncaught [TypeError: Cannot read property 'split' of undefined]
at reportException (/home/travis/build/nuxt/nuxt.js/node_modules/jsdom/lib/jsdom/living/helpers/runtime-script-errors.js:66:24)
at Timeout.callback [as _onTimeout] (/home/travis/build/nuxt/nuxt.js/node_modules/jsdom/lib/jsdom/browser/Window.js:544:7)
at ontimeout (timers.js:475:11)
at tryOnTimeout (timers.js:310:5)
at Timer.listOnTimeout (timers.js:270:5) TypeError: Cannot read property 'split' of undefined
at Xt (http://localhost:4004/_nuxt/vendor.48cef5aa408b5cc02731.js:2:24427)
at Yt (http://localhost:4004/_nuxt/vendor.48cef5aa408b5cc02731.js:2:24129)
at http://localhost:4004/_nuxt/vendor.48cef5aa408b5cc02731.js:2:25983
at Timeout.callback [as _onTimeout] (/home/travis/build/nuxt/nuxt.js/node_modules/jsdom/lib/jsdom/browser/Window.js:542:19)
at ontimeout (timers.js:475:11)
at tryOnTimeout (timers.js:310:5)
at Timer.listOnTimeout (timers.js:270:5)
mounted
✔ spa › /custom (custom layout) (105ms)
Error: Uncaught [TypeError: Cannot read property 'split' of undefined]
at reportException (/home/travis/build/nuxt/nuxt.js/node_modules/jsdom/lib/jsdom/living/helpers/runtime-script-errors.js:66:24)
at Timeout.callback [as _onTimeout] (/home/travis/build/nuxt/nuxt.js/node_modules/jsdom/lib/jsdom/browser/Window.js:544:7)
at ontimeout (timers.js:475:11)
at tryOnTimeout (timers.js:310:5)
at Timer.listOnTimeout (timers.js:270:5) TypeError: Cannot read property 'split' of undefined
at Xt (http://localhost:4004/_nuxt/vendor.48cef5aa408b5cc02731.js:2:24427)
at Yt (http://localhost:4004/_nuxt/vendor.48cef5aa408b5cc02731.js:2:24129)
at http://localhost:4004/_nuxt/vendor.48cef5aa408b5cc02731.js:2:25983
at Timeout.callback [as _onTimeout] (/home/travis/build/nuxt/nuxt.js/node_modules/jsdom/lib/jsdom/browser/Window.js:542:19)
at ontimeout (timers.js:475:11)
at tryOnTimeout (timers.js:310:5)
at Timer.listOnTimeout (timers.js:270:5)
mounted
✔ spa › /custom (not default layout)
Error: Uncaught [TypeError: Cannot read property 'split' of undefined]
at reportException (/home/travis/build/nuxt/nuxt.js/node_modules/jsdom/lib/jsdom/living/helpers/runtime-script-errors.js:66:24)
at Timeout.callback [as _onTimeout] (/home/travis/build/nuxt/nuxt.js/node_modules/jsdom/lib/jsdom/browser/Window.js:544:7)
at ontimeout (timers.js:475:11)
at tryOnTimeout (timers.js:310:5)
at Timer.listOnTimeout (timers.js:270:5) TypeError: Cannot read property 'split' of undefined
at Xt (http://localhost:4004/_nuxt/vendor.48cef5aa408b5cc02731.js:2:24427)
at Yt (http://localhost:4004/_nuxt/vendor.48cef5aa408b5cc02731.js:2:24129)
at http://localhost:4004/_nuxt/vendor.48cef5aa408b5cc02731.js:2:25983
at Timeout.callback [as _onTimeout] (/home/travis/build/nuxt/nuxt.js/node_modules/jsdom/lib/jsdom/browser/Window.js:542:19)
at ontimeout (timers.js:475:11)
at tryOnTimeout (timers.js:310:5)
at Timer.listOnTimeout (timers.js:270:5)
</pre>
</details>
From:
https://travis-ci.org/nuxt/nuxt.js/jobs/301854246
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