public void Buscar_Por_Usuario_Id() { //Arrange List <Tarefa> tarefas = new List <Tarefa>() { new Tarefa { DataCriacao = DateTime.Now.AddDays(1), Descricao = "Tarefa 01", Id = 1, Situacao = SituacaoEnum.Afazer, UsuarioId = 1 }, new Tarefa { DataCriacao = DateTime.Now, Descricao = "Tarefa 02", Id = 2, Situacao = SituacaoEnum.Afazer, UsuarioId = 1 } }; _tarefaRepositoryMock.Setup(repository => repository.BuscarPorUsuarioId(1)) .Returns(tarefas); //Act var response = _tarefaService.BuscarPorUsuarioId(1); //Assert Assert.True(response.ToList().Count == 2); }