message: test added for missing hmac signature
diff: @@ -84,6 +84,28 @@ describe("HMAC Validator", function (): void {
  expect(result).toBeFalsy();
  });
  + it("should throw error with missing hmac signature", function(): void {
  + expect.assertions(1);
  + const notificationRequestItemNoAdditionalData: NotificationRequestItem = {
  + pspReference: "pspReference",
  + originalReference: "originalReference",
  + merchantAccountCode: "merchantAccount",
  + merchantReference: "reference",
  + amount: {currency: "EUR", value: 1000},
  + eventCode: NotificationRequestItem.EventCodeEnum.REPORTAVAILABLE,
  + eventDate: "2019-09-21T11:45:24.637Z",
  + paymentMethod: "VISA",
  + reason: "reason",
  + success: NotificationRequestItem.SuccessEnum.True,
  + additionalData: { },
  + };
  + try {
  + hmacValidator.validateHMAC(notificationRequestItemNoAdditionalData, key);
  + } catch(error) {
  + expect(error.message).toEqual(`Missing ${ApiConstants.HMAC_SIGNATURE}`);
  + }
  + });
  +
  it("should test hmac", function () {
  const data = "countryCode:currencyCode:merchantAccount:merchantReference:paymentAmount:sessionValidity:skinCode:NL:EUR:MagentoMerchantTest2:TEST-PAYMENT-2017-02-01-14\\:02\\:05:199:2017-02-02T14\\:02\\:05+01\\:00:PKz2KML1";
  const key = "DFB1EB5485895CFA84146406857104ABB4CBCABDC8AAF103A624C8F6A3EAAB00";
  