Test for SpamBlacklist integration

Change-Id: I74abc6c34998b5c63d2b5c535e50fb9471866ac6
Test for AbuseFilter integration

Change-Id: I9934e4c71256254b66490d4df58359e8f7d5ccbc
Merge "Test for SpamBlacklist integration"
Merge "Test for AbuseFilter integration"