it('should return settlement object', () => {
   const settlement: Settlement = prepareSettlement(claim, draft)
   expect(settlement).is.not.undefined
   expect(settlement.partyStatements.length).to.be.eql(2)
   expect(settlement.partyStatements[0].type).to.be.eql('OFFER')
   expect(settlement.partyStatements[0].madeBy).to.be.eql('DEFENDANT')
   expect(settlement.partyStatements[1].type).to.be.eql('ACCEPTATION')
   expect(settlement.partyStatements[1].madeBy).to.be.eql('CLAIMANT')
 })
 expect(() => prepareSettlement(claim, draft)).to.throw(Error, 'SettlementAgreement should be signed by claimant')