Fix comic test with zero strip images.
Fix comic test with zero strip images.

blade2005/dosage,webcomics/dosage,wummel/dosage,mbrandis/dosage,wummel/dosage,peterjanes/dosage,mbrandis/dosage,Freestila/dosage,Freestila/dosage,webcomics/dosage,blade2005/dosage,peterjanes/dosage