public async Task GetConversationsById_ReturnsObjectResult()
{
// Arrange
var conversation = GenerateFake.Conversation();
_mockRepo.Setup(repo => repo.GetConversationById(conversation.Id))
.ReturnsAsync(conversation);
// Act
var response = await _conversationController.GetConversationById(1);
// Assert
Assert.IsAssignableFrom <ObjectResult>(response);
}