Restore test dependency on Ming

Add Ming to the dependency list so we get MIM for in-memory
testing with the storage API.

Fixes bug 1176017

Change-Id: Ib1d87cab4b7616af354c4b0f937eb734b9dc9d1a
Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
Merge "Restore test dependency on Ming"