pytest: Testing for a node whose channels were closed will not work

In the next commit we remove channels whose outpoint was spent from our network
view, so checking for it will not work anymore.

Signed-off-by: Christian Decker <decker.christian@gmail.com>

tests/test_lightningd.py

@@ -4060,7 +4060,6 @@ class LightningDTests(BaseLightningDTests):
 
     def test_peerinfo(self):
         l1, l2 = self.connect()
-
         # Gossiping but no node announcement yet
         assert l1.rpc.getpeer(l2.info['id'])['state'] == "GOSSIPING"
         assert 'alias' not in l1.rpc.getpeer(l2.info['id'])
@@ -4082,15 +4081,9 @@ class LightningDTests(BaseLightningDTests):
         bitcoind.generate_block(100)
         l1.daemon.wait_for_log('WIRE_ONCHAIN_ALL_IRREVOCABLY_RESOLVED')
 
-        # Reconnect
-        l1.rpc.connect(l2.info['id'], 'localhost', l2.info['port'])
-        l1.daemon.wait_for_log('WIRE_GOSSIP_PEER_CONNECTED')
-
-        # This time we already know about this node. So the node information appears even in
-        # GOSSIPING state
-        assert l1.rpc.getpeer(l2.info['id'])['state'] == "GOSSIPING"
-        assert l1.rpc.getpeer(l2.info['id'])['alias'] == l1.rpc.listnodes(l2.info['id'])['nodes'][0]['alias']
-        assert l1.rpc.getpeer(l2.info['id'])['color'] == l1.rpc.listnodes(l2.info['id'])['nodes'][0]['color']
+        # The only channel was closed, everybody should have forgotten the nodes
+        assert l1.rpc.listnodes()['nodes'] == []
+        assert l2.rpc.listnodes()['nodes'] == []
 
     @unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
     def test_blockchaintrack(self):