public async Task ConfiguresMessageBusWithOptionsAsync()
{
const string messageTypePropertyName = "MyMessageType";
var sut = new MessageBus(_mockMessageHandlerResolver.Object, _mockMessageBusAdminClient.Object, _mockMessageBusClient.Object,
_mockMessageProcessorResolver.Object, new MessageBusOptions {
MessageTypePropertyName = messageTypePropertyName
});
await sut.ConfigureAsync();
_mockMessageHandlerResolver.Verify(m => m.Initialize(), Times.Once);
_mockMessageBusAdminClient.Verify(m => m.ConfigureAsync(_messageSubscriptions, It.Is <MessageBusOptions>(m =>
m.MessageTypePropertyName == messageTypePropertyName)), Times.Once);
}