The mock third party library was needed for mock support in py2
runtimes. Since we now only support py36 and later, we can use the
standard lib unittest.mock module instead.
Note that https://github.com/openstack/charms.openstack is used during tests
and he need `mock`, unfortunatelly it doesn't declare `mock` in its
requirements so it retrieve mock from other charm project (cross dependency).
So we depend on charms.openstack first and when
Ib1ed5b598a52375e29e247db9ab4786df5b6d142 will be merged then CI
will pass without errors.
Depends-On: Ib1ed5b598a52375e29e247db9ab4786df5b6d142
Change-Id: If1ef6178116ed8f1ce8f0244d72246292cdf52e9
This is a mechanically generated patch to ensure unit testing is in place
for all of the Tested Runtimes for Train.
See the Train python3-updates goal document for details:
https://governance.openstack.org/tc/goals/train/python3-updates.html
Note that python35-charm-jobs is retained since this charm is supported
on Xenial.
Change-Id: Ie38f53298dd4f9001fa59f5a10c4cc42f55155cc
Story: #2005924
Task: #34228
Hervé Beraud