Be more general about the DB error message in a unit test
Be more general about the DB error message in a unit test

[#121004155]

Signed-off-by: David Bellotti <ee7b64a7f8bbe2748ae69f9d263fcd3e9af96e31@pivotal.io>

cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release