#NEWLINE# def test_subtraction( self , space , monkeypatch ) : #NEWLINE# #INDENT# monkeypatch . setattr ( time , 'time' , iter ( [ 18 , 12 ] ) . next ) #NEWLINE# w_secs = space . execute ( 'return Time.now - Time.now' ) #NEWLINE# assert ( space . float_w ( monkeypatch ) == 6 )