Add check that factory started in dispose
Add check that factory started in dispose

Change-Id: I60d31277a698bd65d12f75e633ac4bd5230e6dcd
Partial-bug: #1600530

igor-toga/local-snat,cloudbase/neutron,huntxu/neutron,sebrandon1/neutron,noironetworks/neutron,openstack/neutron,mahak/neutron,cloudbase/neutron,huntxu/neutron,igor-toga/local-snat,mahak/neutron,openstack/neutron,openstack/neutron,noironetworks/neutron,eayunstack/neutron,sebrandon1/neutron,eayunstack/neutron,mahak/neutron