Selenium, C#, running multiple test cases

using System;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using OpenQA.Selenium;
using TestingProject.TestBase;
using OpenQA.Selenium.Support.UI;
using OpenQA.Selenium.IE;
using TestingProject.TestConstant;

namespace TestingProject
{

    //first class. the base class where the driver class is inherited
    public class Layers : TestBase.TestBase
    {
        public Layers() { }
        public Layers(IWebDriver driver) : base(driver){ }
        public void LayerOne(String ExpectedElement)
        {
            driver.FindElement(By.CssSelector(ExpectedElement)).Click();
        }
    }

    //second class. This contains a method that passes parameter to force the driver to wait until the expected element is visible
    public class Layers2Class : TestBase.TestBase
    {
        public Layers2Class() { }
        public Layers2Class(IWebDriver driver) : base(driver) { }
        public void FullElementPageLoad(String WaitPeriodParameter)
        {
            WebDriverWait tests = new WebDriverWait(driver, TimeSpan.FromSeconds(30));
            tests.Until(ExpectedConditions.ElementIsVisible(By.CssSelector(WaitPeriodParameter)));
        }
    }

    //combined class. This class has a method that passes parameters into the first 2 classes instantiated within it.
    public class LayerCombined : TestBase.TestBase
    {
        public LayerCombined() { }
        public LayerCombined(IWebDriver driver) : base(driver) { }
        public void FullElementPageLoad(String WaitPeriod, String elementpresent)
        {
            new Layers2Class(driver).FullElementPageLoad(WaitPeriod);
            new Layers(driver).LayerOne(elementpresent);
        }
    }

   //This is class in which the actual expected parameters are passed into the first 2 classes.
    public class LayerParam : TestBase.TestBase
    {
        public LayerParam() { }
        public LayerParam(IWebDriver driver) : base(driver) { }
        public void CollectParam()
        {
            LayerCombined LayerCombined = new LayerCombined(driver);
            LayerCombined.FullElementPageLoad("#content > div > div.col-xs-12.col-sm-12.col-md-7.col-lg-8.hidden-xs.hidden-sm > div.hero > img", "#btnSigin");
        }
    }

    //It is in this class in which the test is ran.
    [TestClass]
    public class ClassRunner : TestBase.TestBase
    {
        public ClassRunner() { }
        public ClassRunner(IWebDriver driver) : base(driver) { }

        [TestMethod]
        public void RunAll()
        {
            driver = new InternetExplorerDriver();
            driver.Navigate().GoToUrl("http://www.google.com");
            new LayerParam(driver).CollectParam();
        }
    }
}