ZhongShengping 331c0100b4 Fix unit test
The db_backend_package name has changed in puppet-oslo[0], so fix it.

[0]: https://review.openstack.org/#/c/467582/

Change-Id: I5b0f577949b8dfd91575a44a39153a8377fda905
Closes-Bug: #1693403
2017-05-25 11:35:25 +08:00
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2017-05-25 11:35:25 +08:00