pytest: test starting with db corrupted by dangling peer.

db was taken from the failed test.

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

tests/test_db.py

@@ -0,0 +1,20 @@
+from fixtures import *  # noqa: F401,F403
+
+import pytest
+
+
+@pytest.mark.xfail(strict=True)
+def test_db_dangling_peer_fix(node_factory):
+    # This was taken from test_fail_unconfirmed() node.
+    l1 = node_factory.get_node(dbfile='dangling-peer.sqlite3.xz')
+    l2 = node_factory.get_node()
+
+    # Must match entry in db
+    assert l2.info['id'] == '022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59'
+
+    # This time it should work! (Connect *in* since l1 thinks it has UTXOs
+    # it doesn't have).
+    l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
+    # Make sure l2 has register connection
+    l2.daemon.wait_for_log('Handed peer, entering loop')
+    l2.fund_channel(l1, 200000, wait_for_active=True)