#NEWLINE# def test_can_substract_from_field_minute_and_compare( self ) : #NEWLINE# #INDENT# sut = self . system_under_test #NEWLINE# expected = Q ( field__minute = ( F ( 'field__minute' ) - sentinel . VALUE ) ) #NEWLINE# actual = ( sut . minute == ( sut . minute - sentinel . VALUE ) ) #NEWLINE# self . assertEqual ( actual , expected )