documents: Fix uploading documents for some of the tests
documents: Fix uploading documents for some of the tests

Inserting metadata-only documents is currently broken on the servers. Work
around it for the moment by using resumable upload.

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