Add an HTTPRequest at app.REQUEST before calling setRequest(app.REQUEST)

Author: gamboz

docs/admin-guide/run-plone.md

@@ -107,6 +107,9 @@ For any of these commands, press {kbd}`ctrl-d` to stop the process.
 To make sure that the request is fully set up for any code that uses `zope.globalrequest.getRequest`, you might need to use the following code.
 
 ```python
+from Testing.makerequest import makerequest
 from zope.globalrequest import setRequest
+
+app = makerequest(app)
 setRequest(app.REQUEST)
 ```