Update path and directory command

Author: craigfowler

.appveyor.yml

@@ -5,9 +5,8 @@ init:
 before_build:
     - dotnet tool update -g docfx
     - choco install chromedriver
-    - cmd: PATH=C:\ProgramData\chocolatey\lib\chromedriver\tools;%PATH%
-    - cmd: echo %PATH%
-    - cmd: dir C:\ProgramData\chocolatey\lib\chromedriver\tools
+    - cmd: PATH=C:\ProgramData\chocolatey\lib\chromedriver\tools\chromedriver-win32;%PATH%
+    - cmd: dir C:\ProgramData\chocolatey\lib\chromedriver\tools\chromedriver-win32
 build_script:
     - dotnet build
     - docfx CSF.Extensions.WebDriver.Docs\docfx.json