This patch ensures that the package-level cache is updated
when add_holiday() is used. Note that except for the test
case added by this patch, there doesn't seem to be anything
that actually calls ->add_holiday(); it may be better to remove it.
Signed-off-by: Galen Charlton <gmc@esilibrary.com>
This test file is meant to be used with the sample database
with a minimum of the sample libraries and sample holidays installed.
http://bugs.koha-community.org/show_bug.cgi?id=8110
Signed-off-by: Paul Poulain <paul.poulain@biblibre.com>