Bug 33406: (QA follow-up) Adjust tests and tidy

Bug 33406: (QA follow-up) Adjust tests and tidy

Rather than test that nothing is returned, we want to test that the terms are filtered as expected. This also avoids the possibility of the tests failing in a db where there is a record for Donald Duck

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 3d7b60dc90142b171b6aaa268bdf2abf917b3739)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit 4cc41203223e5e43b1289e819682f2b1b38efde6)
Signed-off-by: Matt Blenkinsop <matt.blenkinsop@ptfs-europe.com>