public void TestThatObjectIsCorrectlyConstructed()
        {
            var response = AnnouncementResponseBuilder.NewInstance();

            Assert.AreEqual(1000, response.PoiId);
            Assert.AreEqual("MyJwt", response.Authentication);
            Assert.AreEqual("1970-01-01T00:00:00.000+02:00", response.ExpiryRaw);
            Assert.AreEqual("merchant.order.status.changed", response.EventName);
        }
 public void TestThatInvalidSignatureExceptionIsThrownWhenTheSignaturesDoNotMatch()
 {
     var response = AnnouncementResponseBuilder.InvalidSignatureInstance();
     //response.ValidateSignature(AnnouncementResponseBuilder.GetSigningKey());
 }