anchor.diff:          | EdgeBETA -> new Edge.EdgeDriver(edgeDir) :> IWebDriver
           | Chrome ->
               let options = OpenQA.Selenium.Chrome.ChromeOptions()
  +            options.AddArguments("--disable-extensions")
               options.AddArgument("test-type") //https://code.google.com/p/chromedriver/issues/detail?id=799
               new Chrome.ChromeDriver(chromeDir, options) :> IWebDriver
           | ChromeWithOptions options -> new Chrome.ChromeDriver(chromeDir, options) :> IWebDriver
  
positive.code:         | ChromeWithOptionsAndTimeSpan(options, timeSpan) -> new Chrome.ChromeDriver(chromeDir, options, timeSpan) :> IWebDriver
          | Chromium ->
              let options = OpenQA.Selenium.Chrome.ChromeOptions()
              options.AddArgument("test-type") //https://code.google.com/p/chromedriver/issues/detail?id=799
              new Chrome.ChromeDriver(chromiumDir, options) :> IWebDriver
          | ChromiumWithOptions options -> new Chrome.ChromeDriver(chromiumDir, options) :> IWebDriver
  
negative.code: 
      browser.Manage().Window.Size <- new System.Drawing.Size(bw, bh)
      browser.Manage().Window.Position <- new System.Drawing.Point(x, y)
  
  
  let private innerSize() =
      let jsBrowser = browser :?> IJavaScriptExecutor
  