Selenium Basic - Registration Tests

using NUnit.Framework;
using OpenQA.Selenium;
using OpenQA.Selenium.Chrome;
using OpenQA.Selenium.Support.UI;
using System;
using System.IO;
using System.Reflection;

namespace SeleniumBasic
{
    [TestFixture]
    class RegistrationTests
    {
        private IWebDriver _driver;
        private WebDriverWait _wait;

        [SetUp]
        public void SetUp()
        {
            _driver = new ChromeDriver(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location));
            _driver.Url = "http://automationpractice.com/index.php";

            _wait = new WebDriverWait(_driver, TimeSpan.FromSeconds(2));
        }

        [TearDown]
        public void TearDown()
        {
            _driver.Quit();
        }

        [Test]
        public void OpenTheNavigationBar()
        {
            IWebElement signInButton = _driver.FindElement(By.XPath("/html/body/div/div[1]/header/div[2]/div/div/nav/div[1]/a"));
            signInButton.Click();

            IWebElement createSection =
                _wait.Until<IWebElement>(c => c.FindElement(By.CssSelector("#email_create")));
            createSection.SendKeys("[email protected]");
            createSection.SendKeys(Keys.Enter);

            IWebElement emailInformationField =
                _wait.Until<IWebElement>(e => e.FindElement(By.XPath("html/body/div/div[2]/div/div[3]/div/div/form/div[1]/div[4]/input")));

            var expectedMail = "[email protected]";

            Assert.AreEqual(expectedMail, emailInformationField.GetAttribute("value"));

        }

    }
}