Bug 14334: Remove AutoCommit from tests

Bug 14334: Remove AutoCommit from tests

And use a DBIx transaction instead.

Test plan:
prove that the test files modified by this patch are passing

Signed-off-by: Josef Moravec <josef.moravec@gmail.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
(cherry picked from commit 64242cabea21e9ee7673666cad88eb403d1053d6)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
(cherry picked from commit 10148dc26ba801d3f86401dc24a3fb5b6618a02b)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit 61784f5e2607afaa1a89ee3a4384ea0155bacba0)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>