contacts: Add a contact update test
contacts: Add a contact update test

GNOME/libgdata,pwithnall/libgdata,Pecisk/libgdata-gtasks,Distrotech/libgdata,Pecisk/libgdata-gtasks,Pecisk/libgdata,Pecisk/libgdata,Pecisk/libgdata-gtasks,pwithnall/libgdata,Pecisk/libgdata,Distrotech/libgdata,Distrotech/libgdata