enable volume list tests for cinder v2 - part1

This changeset only copies the v1 files into the appropriate v2
directories unchanged. There's the other changeset based on this
patch which makes the modifications required for v2.

Implements: blueprint cinder-v2-api-tests
Change-Id: Ia161409050ae1926376b41f31fff1ac389da79fc
Merge "enable volume list tests for cinder v2 - part1"