'Send unacceptable size expressions, upon error
users should expect to receive Flocker\'s ``DEFAULT_SIZE``
:param size str: A string representing the bad volume size'

@given(size=sampled_from([u'foo10Gb', u'10bar10', '10foogib', '10Gfoo', 'GIB', 'bar10foo']))
def test_parsenum_bad_size(self, size):

    return self.assertEqual(int(DEFAULT_SIZE.to_Byte()), int(parse_num(size).to_Byte()))
