'Parse I{URI} parameters from a I{URI}.'

def test_param(self):

    uri = self.makeURIString('http://HOST/foo/bar;param')
    parsed = client.URI.fromBytes(uri)
    self.assertURIEquals(parsed, scheme='http', netloc=self.uriHost, host=self.host, port=80, path='/foo/bar', params='param')
    self.assertEqual(uri, parsed.toBytes())
