public async Task Add_ShouldAddMarcaInDatabase()
        {
            // Arrange
            var marca = new Marca()
            {
                Id   = "marcas/TestAdd",
                Name = "ADD TEST",
            };

            // Act
            await marcaController.AddUpdateAsync(marca);

            var marcaResult = await serviceBase.FindAsync(marca.Id);

            // Assert
            Assert.Equal(marca.Id, marcaResult.Id);
        }