Here you can see a minimal Version of, howto start with Selenium tests.
Under _data/ you can find a few binaries with WebDriver for Chrome. This I used for my example, but it is not needed to use exactly this one.
The example will try to read the binary file from _data/chromedriver to load the Driver binary. Check the website from Selenium, how to install it if you don´ want to use this local one.
You need an installed Chrome on your machine to run the tests.
Cheers Sven