voucher budget check is running to no success

Step1: Pick a PO with three lines

Step 2:  Create a voucher for two lines (po line 1 and 2) and budget check it

Step 3: No open the voucher and remove any one of the lines

Step 4: Now add line number 3 from the PO to the voucher and save it

Step 4: Budget status is not checked after saving

Step 5: Now run the budget check process (use the same run control id as used before) and it will run into no success