[MRM-1779] pom artifacts cannot be searched on Archiva 1.4-M4

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1525882 13f79535-47bb-0310-9956-ffa450edef68
fix unit test

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1525883 13f79535-47bb-0310-9956-ffa450edef68