test_updater: factorize out functions to mv/compare db schemas
test_updater: factorize out functions to mv/compare db schemas

Debian/debsources,devoxel/debsources,nonas/debian-qa,matthieucan/debsources,sophiejjj/debsources,matthieucan/debsources,sophiejjj/debsources,oorestisime/debsources,zacchiro/debsources,devoxel/debsources,nonas/debian-qa,zacchiro/debsources,devoxel/debsources,zacchiro/debsources,vivekanand1101/debsources,clemux/debsources,vivekanand1101/debsources,oorestisime/debsources,oorestisime/debsources,oorestisime/debsources,matthieucan/debsources,sophiejjj/debsources,clemux/debsources,Debian/debsources,devoxel/debsources,nonas/debian-qa,clemux/debsources,clemux/debsources,zacchiro/debsources,vivekanand1101/debsources,clemux/debsources,sophiejjj/debsources,Debian/debsources,Debian/debsources,Debian/debsources,devoxel/debsources,vivekanand1101/debsources,sophiejjj/debsources,matthieucan/debsources,matthieucan/debsources,nonas/debian-qa,vivekanand1101/debsources,oorestisime/debsources,zacchiro/debsources