public void Test01_10までのFizzBuzz結果の確認()
        {
            var target = new FizzBuzzForm();
            target.Show();

            new TextBoxTester("maxNumberTextBox", target).Enter("10");
            new ButtonTester("fizzBuzzButton", target).Click();
            var dataGrid = new Finder<DataGridView>("fizzBuzzDataGridView", target).Find();

            var expectedList = new[] {
                new { Number = 1, Text = "1" },
                new { Number = 2, Text = "2" },
                new { Number = 3, Text = "Fizz" },
                new { Number = 4, Text = "4" },
                new { Number = 5, Text = "Buzz" },
                new { Number = 6, Text = "Fizz" },
                new { Number = 7, Text = "7" },
                new { Number = 8, Text = "8" },
                new { Number = 9, Text = "Fizz" },
                new { Number = 10, Text = "Buzz" },
            };

            foreach (var expected in expectedList)
                AssertForOneRow(dataGrid, expected.Number, expected.Text);
        }
        private void バリデーションメッセージ確認(string text, string message)
        {
            var target = new FizzBuzzForm();
            target.Show();

            DialogBoxHandler = (title, handle) =>
            {
                var messageBox = new MessageBoxTester(handle);
                Assert.That(messageBox.Text, Is.EqualTo(message));
                messageBox.ClickOk();
            };

            new TextBoxTester("maxNumberTextBox", target).Enter(text);
            new ButtonTester("fizzBuzzButton", target).Click();
        }