Avoid the side effects of using `cherypy.config.environments` on  `test_call_with_kwargs` test.
Avoid the side effects of using `cherypy.config.environments` on  `test_call_with_kwargs` test.

Safihre/cherrypy,cherrypy/cherrypy,Safihre/cherrypy,cherrypy/cheroot,cherrypy/cherrypy