Fix wrong mock method call
Fix wrong mock method call

There is no assert_called() method in mock, replace it with
assert_called_with() method. The old method used to work with
mock 1.0.1 because it was a noop in magicmock.

Needs https://review.openstack.org/#/c/200583 to pass the requirements check.

https://review.openstack.org/#/c/193935/ changed the OS_* vars
we source by forcing v2password as the auth method.
change our identity v3 test setup by setting v3password

Co-Authored-By: Steve Martinelli <stevemar@ca.ibm.com>

Closes-Bug: 1473454

Depends-on: I0cfab6d13e5d9e744cb302c86a2c21269923e75d

Change-Id: Id22765c7e044797e03d19ad1b103fadec2726aa2

dtroyer/osc-lib