public async Task Label_Post_ShouldReturnData()
{
var model = new LabelAddModel
{
Name = "New label",
};
var results = await _controller.Post(DefaultGroup, model);
results
.Should().BeOfType <OkObjectResult>()
.Which.Value.Should().BeAssignableTo <LabelManageModel>()
.Which.Should().NotBeNull();
}