Trait declaring a webDriver field that enables tests to be abstracted across different kinds of WebDrivers.

This trait enables you to place tests that you want to run in multiple browsers in a trait with a self type of WebBrowser with Driver, like this:

trait MyBrowserTests {
  this: WebBrowser with Driver =>
  // Your browser tests
}

Then you can create concrete subclasses for each actual browser you want to run those tests in:

class MyBrowserTestsWithChrome extends MyBrowserTests with Chrome
class MyBrowserTestsWithSafari extends MyBrowserTests with Safari
class MyBrowserTestsWithInternetExplorer extends MyBrowserTests with InternetExplorer
class MyBrowserTestsWithFirefox extends MyBrowserTests with Firefox