Set dbtesting.DBNameSuffix in backend package
Created by: mrnugget
Without this tests fails:
https://buildkite.com/sourcegraph/sourcegraph/builds/56120#05cf089a-c771-4b61-a33a-80df0bd616bc
Created by: mrnugget
Without this tests fails:
https://buildkite.com/sourcegraph/sourcegraph/builds/56120#05cf089a-c771-4b61-a33a-80df0bd616bc