Constant defined for sqlAlchemy VARCHAR & INTEGER
Constant defined for sqlAlchemy VARCHAR & INTEGER

sqlalchemy.types.VARCHAR and sqlalchemy.types.INTEGER are defined
and used as VARCHAR_TYPE and INTEGER_TYPE respectively in
cinder/tests/unit/test_migrations.py.

Change-Id: I3ed83f270843e93d3d1f730d6eaf2320e8269743
Closes-Bug: #1528989

ge0rgi/cinder,dims/cinder,dims/cinder,openstack/cinder,Nexenta/cinder,NetApp/cinder,bswartz/cinder,openstack/cinder,mahak/cinder,Datera/cinder,cloudbase/cinder,Datera/cinder,phenoxim/cinder,Hybrid-Cloud/cinder,Nexenta/cinder,NetApp/cinder,bswartz/cinder,cloudbase/cinder,j-griffith/cinder,mahak/cinder,phenoxim/cinder,Hybrid-Cloud/cinder,eharney/cinder,j-griffith/cinder,eharney/cinder