public async Task Create_NotNullTopic()
{
//assemble
var queryContext = AssembleMocks.GetQueryContext();
var commandContext = AssembleMocks.GetCommandContext();
var conversationRepo = new ConversationRepository(queryContext.Object, commandContext.Object);
//act
var conversation = await conversationRepo.Create("New Topic");
//assert
Assert.IsNotNull(conversation);
}