TestUser requires a DB connection, so avoid using it in database-less
tests. Add to the Database group tests that are making DB writes (e.g.,
for log entries).
Change-Id: I211cb60296e5c2446128fcdf2caaadc728a8c272
In action=abusefilterunblockautopromote, leave UserIdentity
instantiation to the parent. Note that this changes the "code"
in the response from "baduser_user" to "baduser".
Change-Id: I97d2bf3fa3c5486e461823f840cad2763e1bcfea