     @_returns = undefined
     @_throws = undefined
     @_called = no
-    @_install_mock_method()
+    _install_mock_method(@)
     AllExpectations.register_expectation(@)
 
   #

  #   ...
  #
  throws: (error) ->
    @_check_throws_usage(error)
    @_save_throws(error)
    @

  #

  #   ...
  #
  args: (args...) ->
    _check_args_usage(@, args...)
    _save_args(@, args)
    @

  #
