Repairs parametrization on testinfra tor tests
Repairs parametrization on testinfra tor tests

The parametrization was improperly implemented, causing the test suite
to fail. Rather than recursive grep across all of `/etc/apt`—which will
cause false positives in the tor keyring under
/etc/apt/trusted.gpg.d—let's look only at the two rationale locations,
and recursively search through /etc/apt/sources.list.d (since multiple
Ansible versions could have written to different paths).

ehartsuyker/securedrop,conorsch/securedrop,ehartsuyker/securedrop,ehartsuyker/securedrop,conorsch/securedrop,heartsucker/securedrop,heartsucker/securedrop,conorsch/securedrop,ehartsuyker/securedrop,ehartsuyker/securedrop,ehartsuyker/securedrop,garrettr/securedrop,conorsch/securedrop,heartsucker/securedrop,conorsch/securedrop,garrettr/securedrop,heartsucker/securedrop,garrettr/securedrop,garrettr/securedrop,heartsucker/securedrop