'Fails if ``value`` is found from ``dictionary``.
See `List Should Contain Value` for an explanation of ``msg``.
The given dictionary is never altered by this keyword.'

def dictionary_should_not_contain_value(self, dictionary, value, msg=None):

    default = ("Dictionary    contains    value    '%s'." % value)
    _verify_condition((not (value in dictionary.values())), default, msg)
