#NEWLINE# def ConcreteRefTest( actor_class , future_class , sleep_function ) : #NEWLINE# #INDENT# class C ( RefTest , unittest . TestCase ) : #NEWLINE# #INDENT# class AnActor ( AnActor , actor_class ) : #NEWLINE# #INDENT# def sleep( self , seconds ) : #NEWLINE# #INDENT# sleep_function ( seconds ) #NEWLINE# #UNINDENT# #UNINDENT# #UNINDENT# C . __name__ = ( '%sRefTest' % ( actor_class . __name__ , ) ) #NEWLINE# C . future_class = future_class #NEWLINE# return C