No unit test coverage for code related to Flavors
No unit test coverage for code related to Flavors

When runing the "./run_tests.sh -c" command,
and after looking at the reports, not all the code is covered
by the unit tests.
The code related to Flavors in the openstack_dashboard/api/nova.py
(get flavor list, create flavor, delete flavor, etc) is not covered.

Change-Id: Idf32b22cde2925b830d85ba9c675fa0e88a2eb0e
Closes-Bug:#1558758

NeCTAR-RC/horizon,BiznetGIO/horizon,BiznetGIO/horizon,bac/horizon,sandvine/horizon,ChameleonCloud/horizon,bigswitch/horizon,wolverineav/horizon,ChameleonCloud/horizon,NeCTAR-RC/horizon,wolverineav/horizon,openstack/horizon,openstack/horizon,noironetworks/horizon,sandvine/horizon,bac/horizon,Mirantis/mos-horizon,BiznetGIO/horizon,Mirantis/mos-horizon,BiznetGIO/horizon,yeming233/horizon,coreycb/horizon,coreycb/horizon,openstack/horizon,yeming233/horizon,bac/horizon,Mirantis/mos-horizon,ChameleonCloud/horizon,coreycb/horizon,noironetworks/horizon,yeming233/horizon,wolverineav/horizon,NeCTAR-RC/horizon,bigswitch/horizon,sandvine/horizon,yeming233/horizon,noironetworks/horizon,wolverineav/horizon,noironetworks/horizon,bigswitch/horizon,coreycb/horizon,Mirantis/mos-horizon,ChameleonCloud/horizon,sandvine/horizon,bac/horizon,bigswitch/horizon,openstack/horizon,NeCTAR-RC/horizon