test: don't try to process html data blocks outside of any elements
test: don't try to process html data blocks outside of any elements

Fixes a test regression introduced by the DOCTYPE additon in
32741032d72a978aff76273b9398431ba32ca128

anthraxx/arch-security-tracker,anthraxx/arch-security-tracker,archlinux/arch-security-tracker,jelly/arch-security-tracker,jelly/arch-security-tracker,anthraxx/arch-security-tracker,archlinux/arch-security-tracker