public void Can_copy_all_headers()
        {
            var chunk = CreateTestChunk(new Object(), CreateAnEvent(), new Object());

            _payload.Add("Foo", "Bar");
            _sut.Enhance(chunk);

            var evt = chunk.DomainEvents[0];

            //no specific data, standard commit data should be used.
            Assert.That(evt.Context.Single().Key, Is.EqualTo("Foo"));
            Assert.That(evt.Context.Single().Value, Is.EqualTo("Bar"));
        }