WSL - Suppress harmless error when Powershell 6 or higher is not found

lib/webdrivers/chrome_finder.rb

@@ -104,8 +104,14 @@ def linux_location
       end
 
       def win_version(location)
-        System.call("pwsh.exe -command \"(Get-ItemProperty '#{location}').VersionInfo.ProductVersion\"")&.strip
+        # When Powershell 6 or higher (pwsh.exe) is not found, an error `sh: 1: pwsh.exe: not found`
+        # is printed to the console (STDERR). This can be confusing to users on older versions (powershell.exe)
+        # because this error is rescued and older PS is used instead.
+        # 2>&1 at the end redirects STDERR to STDOUT, which IO.popen intercepts, and the error is no longer printed
+        # to the console.
+        System.call("pwsh.exe -command \"(Get-ItemProperty '#{location}').VersionInfo.ProductVersion\" 2>&1")&.strip
       rescue StandardError
+        Webdrivers.logger.debug 'Powershell 6 or higher (pwsh.exe) not found. Trying powershell.exe instead...'
         System.call("powershell.exe \"(Get-ItemProperty '#{location}').VersionInfo.ProductVersion\"")&.strip
       end