public void WithTransportSerializer_should_replace_existing_registration_when_input_null()
{
var services = new ServiceCollection();
var sagaTypeResolver = NSubstitute.Substitute.For <ISagaTypeResolver>();
var typeResolver = NSubstitute.Substitute.For <ITypeResolver>();
var sysInfo = SystemInfo.New();
var sut = new BusConfigurator(services, sagaTypeResolver, typeResolver, sysInfo);
sut.WithTransportSerializer <FakeTransportSerializer>();
var sp = services.BuildServiceProvider();
var serializer = sp.GetService <ITransportSerializer>();
serializer.Should().NotBeNull()
.And.BeOfType <FakeTransportSerializer>();
}
