It is more custom approach to create Atata testing project. To get started just add Atata NuGet package to the project of Class Library type.

PM> Install-Package Atata

The Atata package depends on the following packages (that are added automatically):

You might also need to install a driver package for specific browser: WebDriver.ChromeDriver.win32, WebDriver.IEDriverServer.win32, etc.

You are also free to select any test engine framework like: NUnit, Xunit, MSTest, etc.