Separate out search and serialization in Test plugin.
Separate out search and serialization in Test plugin.

svn path=/trunk/; revision=491

jku/rygel,GNOME/rygel,Pelagicore/Media-Manager-Rygel-patched,Pelagicore/Media-Manager-Rygel-patched,jku/rygel,GNOME/rygel,luisbg/rygel,Tarnyko/rygel,Tarnyko/rygel,Pelagicore/Media-Manager-Rygel-patched,GNOME/rygel