Escaping persona_vars to allow testing dollars

I have multiple tests that check for the presence of "$1.00" or similar on
the page. The updates adding persona_vars to more tests break these in our
builds, and this is a simple and clean way of fixing this, without breaking
other tests.
Small fix for sanity checks
Yeah, that was breaking things.

Heres a proper fix
Merge branch 'pr/22'