tests: Keep all classes private in HTTPItemURITest
tests: Keep all classes private in HTTPItemURITest

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