#NEWLINE# def test_returnsFileLogObserver( self ) : #NEWLINE# #INDENT# '\n        L{textFileLogObserver} returns a L{FileLogObserver}.\n        ' #NEWLINE# with StringIO ( ) as fileHandle : #NEWLINE# #INDENT# observer = textFileLogObserver ( fileHandle ) #NEWLINE# self . assertIsInstance ( observer , FileLogObserver )