Fixed wrongly used assertEqual
Fixed wrongly used assertEqual

Use assertEqual correctly, I switched it from
  assertEqual(observed, expected)
to the correct order:
  assertEqual(expected, observed)

Change-Id: Ib32477ccdbecae9c13e9d826fd04476e0ca4447b

mmasaki/trove,openstack/trove,redhat-openstack/trove,hplustree/trove,zhangg/trove,openstack/trove,zhangg/trove,mmasaki/trove,redhat-openstack/trove,mmasaki/trove,redhat-openstack/trove,hplustree/trove