anchor.diff:    orderHistory: [CommerceOrderEventUnion!]!
     orderUpdateState: String
     paymentMethod: CommercePaymentMethodEnum
  +  paymentMethodDetails: PaymentMethodUnion
     requestedFulfillment: CommerceRequestedFulfillmentUnion
     seller: CommerceOrderPartyUnion!
     sellerDetails: OrderParty
  
positive.code:   orderHistory: [CommerceOrderEventUnion!]!
    orderUpdateState: String
    paymentMethod: CommercePaymentMethodEnum
    requestedFulfillment: CommerceRequestedFulfillmentUnion
    seller: CommerceOrderPartyUnion!
    sellerDetails: OrderParty
  
negative.code:   orderHistory: [CommerceOrderEventUnion!]!
    orderUpdateState: String
    paymentMethod: CommercePaymentMethodEnum
    paymentMethodDetails: PaymentMethodUnion
    requestedFulfillment: CommerceRequestedFulfillmentUnion
    seller: CommerceOrderPartyUnion!
    sellerDetails: OrderParty
  