'``BuildOptions`` offers as possible distributions all of the names
passed to its initializer.'

def test_possible_distributions(self):

    options = BuildOptions(['greatos', 'betteros'])
    description = options.docs['distribution']
    self.assertNotIn((-1), (description.find('greatos'), description.find('betteros')), 'Supplied    distribution    names,    greatos    and    betteros,    not    found    in    --distribution    parameter    definition:    {}'.format(description))
