pytest: test that route can see private channels.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

tests/test_gossip.py

@@ -1774,3 +1774,18 @@ def test_gossip_store_upgrade_v7_v8(node_factory):
          'htlc_minimum_msat': Millisatoshi(0),
          'htlc_maximum_msat': Millisatoshi(990000000),
          'features': '80000000000000000000000000'}]
+
+
+@pytest.mark.xfail(strict=True)
+@unittest.skipIf(not DEVELOPER, "devtools are for devs anyway")
+def test_routetool(node_factory):
+    """Test that route tool can see unpublished channels"""
+    l1, l2 = node_factory.line_graph(2)
+
+    subprocess.run(['devtools/route',
+                    os.path.join(l1.daemon.lightning_dir,
+                                 TEST_NETWORK,
+                                 'gossip_store'),
+                    l1.info['id'],
+                    l2.info['id']],
+                   check=True, timeout=TIMEOUT)