public async Task Delete_Categoria()
        {
            var service = new CategoriaController(_mockContext.Object);
            await service.DeleteCategoria(1);

            _mockSet.Verify(m => m.FindAsync(1), Times.Once());
            _mockSet.Verify(m => m.Remove(_categoria), Times.Once);

            _mockContext.Verify(m => m.SaveChangesAsync(It.IsAny <CancellationToken>()), Times.Once());
        }