[FIX]fix test case warning
[FIX]fix test case warning
ovnicraft/openerp-server,MarkusTeufelberger/openobject-server,gisce/openobject-server,gisce/openobject-server,MarkusTeufelberger/openobject-server,ovnicraft/openerp-server,MarkusTeufelberger/openobject-server,splbio/openobject-server,splbio/openobject-server,gisce/openobject-server,splbio/openobject-server