From 0f95b2788d72cea2b328197c01967921b69953e0 Mon Sep 17 00:00:00 2001
From: Jim Evans <james.h.evans.jr@gmail.com>
Date: Tue, 28 Sep 2021 19:45:40 -0400
Subject: [PATCH] [dotnet] Add --websocket-port command line argument for
 geckodriver

---
 dotnet/src/webdriver/Firefox/FirefoxDriverService.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dotnet/src/webdriver/Firefox/FirefoxDriverService.cs b/dotnet/src/webdriver/Firefox/FirefoxDriverService.cs
index 43b950bed6889..d023c546a4671 100644
--- a/dotnet/src/webdriver/Firefox/FirefoxDriverService.cs
+++ b/dotnet/src/webdriver/Firefox/FirefoxDriverService.cs
@@ -195,6 +195,8 @@ protected override string CommandLineArguments
                     argsBuilder.Append(" --jsdebugger");
                 }
 
+                argsBuilder.Append(string.Format(CultureInfo.InvariantCulture, " --websocket-port {0}", PortUtilities.FindFreePort()));
+
                 return argsBuilder.ToString().Trim();
             }
         }