'Two L{Permissions}\'s that are created with the same bitmask
are equivalent'

def test_permissionsEq(self):

    self.assertEqual(filepath.Permissions(511), filepath.Permissions(511))
    self.assertNotUnequal(filepath.Permissions(511), filepath.Permissions(511))
    self.assertNotEqual(filepath.Permissions(511), filepath.Permissions(448))
    self.assertNotEqual(3, filepath.Permissions(511))
