test: create mr, create 2 po's (partial qty in both po's) against mr , create single pi (merge qty from both po's) against po's & cancel both pi's - _TC_SCK_089

test: create mr, create 2 po's (partial qty in both po's) against mr , create single pi (merge qty from both po's) against po's & cancel both pi's - _TC_SCK_089 #609