anchor.diff:        var amount = money.amountAsString;
         var termAgreement = true;
   
  -      await cc.authApi.authenticate();
         var conversion =
             await cc.conversionApi.create(buyCurrency, sellCurrency, fixedSide, amount, reason, termAgreement);
         var beneficiary = await cc.beneficiariesApi
  
positive.code:       var reason = 'whatever';
        var termAgreement = true;
  
        await cc.authApi.authenticate();
        var result = await cc.conversionApi.create(buyCurrency, sellCurrency, fixed_side, amount, reason, termAgreement);
  
        expect(result['buy_currency'], buyCurrency);
  
negative.code:     });
  
      test('referenceDataApi.beneficiaryRequiredDetails() should return something without Errors', () async {
        var result = await cc.referenceDataApi.beneficiaryRequiredDetails();
        log.finest(result);
      });
  
      test('beneficiariesApi.create() and retrieve()', () async {
        var result = await cc.beneficiariesApi
            .create(bankAccountHolderName, bankCountry, currency, name, iban: iban, bicSwift: bicSwift);
  
  