'When L{NNTPServer} receives a I{GROUP} command, it sends a line of
information about that group to the client (RFC 3977, section 6.1.1.1).'

def test_GROUP(self):

    self.transport.clear()
    self.server.do_GROUP('alt.test.nntp')
    self.assertEqual(self.transport.value().split('\r\n'), ['211    0    1    0    alt.test.nntp    group    selected', ''])
