Make TestStorageReferenceDockerDeference table-driven
Make TestStorageReferenceDockerDeference table-driven

... using validReferenceTestCases.

The cases in that table are a superset of the two previously used cases.

Signed-off-by: Miloslav Trmač <9c008e38982a5397deb855345fb164f0558459ae@redhat.com>

containers/image,containers/image