Bug 8338: (follow-up) Fix test

Bug 8338: (follow-up) Fix test

This patch moves the previous test introduced with bug 24075 into the
same block as the rest of the AddReturn tests and updates it to test for
the new 'remove accountline' behaviour as well as the reduce and refund
behaviour.

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit 64bb70d579ffe3a6967103239ba683fd1c0cbd25)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>