Unfortunately, the old test-case got deleted. (I should have copied it.) But I can post what I learned about it:
```
This crashes repeatably, in only ~3 minutes:
daligner -v -k18 -w8 -h480 -t16 -H1…
Support for custom origins has landed:
https://bugzilla.mozilla.org/show_bug.cgi?id=852720
If this seems sane, we should start talking about getting app://-scheme audiences verifiable. The docs for …