public void LowAndHighNumberedEventIdsAreMapped(int id)
        {
            var orig   = new EventId(id, "test");
            var mapped = SerilogLogger.CreateEventIdProperty(orig);
            var value  = Assert.IsType <StructureValue>(mapped.Value);

            Assert.Equal(2, value.Properties.Count);
            var idValue = value.Properties.Single(p => p.Name == "Id").Value;
            var scalar  = Assert.IsType <ScalarValue>(idValue);

            Assert.Equal(id, scalar.Value);
        }