[FIX]delivery: delivery - partial delivery will copy tracking number in the backorder picking (Case: ref 595239)
[FIX]delivery: add test for fix of lp:1199858
fix test
[MRG] fix partial delivery will copy tracking number in the backorder picking lp:1199858 port of https://code.launchpad.net/~camptocamp/openobject-addons/7.0-595239-opw-skh-afe/+merge/201002 to ocb
[MRG] fix partial delivery will copy tracking number in the backorder picking lp:1199858 port of https://code.launchpad.net/~camptocamp/openobject-addons/7.0-595239-opw-skh-afe/+merge/201002 to ocb