Uncomment psycopg2 in test-requirements.txt
Uncomment psycopg2 in test-requirements.txt

This dependency was accidentally commented in
I7f26b270d5a85cd40ffbb3b33006a41b2e4852a1 commit.

Change-Id: Ia179d9b38a50e821c0b4ca76ae0cdbfbc84125b9

mahak/cinder,openstack/cinder,mahak/cinder,openstack/cinder