Adding ability to test Safari Technology Preview in .NET

Author: jimevans

dotnet/test/safari/SafariTechnologyPreviewDriver.cs

@@ -0,0 +1,13 @@
+namespace OpenQA.Selenium.Safari
+{
+    // This is a simple wrapper class to create a SafariDriver that
+    // uses the technology preview implementation and has no parameters in the
+    // constructor.
+    public class SafariTechnologyPreviewDriver : SafariDriver
+    {
+        public SafariTechnologyPreviewDriver()
+            : base("/Applications/Safari Technology Preview.app/Contents/MacOS")
+        {
+        }
+    }
+}

dotnet/test/safari/WebDriver.Safari.Tests.config

@@ -3,6 +3,11 @@
   <appSettings>
     <add key="Driver" value="OpenQA.Selenium.Safari.SafariDriver" />
     <add key="Assembly" value="WebDriver" />
+    <!--NOTE: To test the Safari Technology Preview, uncomment the below lines"
+        (the "Driver and "Assembly" settings), and comment the standard ones above here.
+        DO NOT COMMIT THIS CHANGE AFTER YOU ARE DONE!-->
+    <!--add key="Driver" value="OpenQA.Selenium.Safari.SafariTechnologyPreviewDriver" />
+    <add key="Assembly" value="WebDriver.Safari.Tests" /-->
     <add key="DriverName" value="Safari"/>
     <add key="RemoteCapabilities" value="safari"/>