public async Task ShouldReturnAllCustomers()
        {
            var query = new GetCustomersListQuery(_context);

            var result = await query.Execute();

            Assert.Equal(3, result.Count());
        }
        public void GetCustomersListQueryTests_TestExecuteShouldReturnListOfCustomers_No_Error()
        {
            var results = _query.Execute();

            var result = results.Single();

            Assert.That(result.Id, Is.EqualTo(Id));
            Assert.That(result.Name, Is.EqualTo(Name));
        }