pytest: fix test_bitcoin_backend_gianttx flake.

signpsbt could be the one which takes a long time, so allow any
psbt event.

Signed-off-by: Rusty Russell <[email protected]>

Author: rustyrussell

tests/test_plugin.py

@@ -1904,7 +1904,7 @@ def test_bitcoin_backend(node_factory, bitcoind):
 def test_bitcoin_backend_gianttx(node_factory, bitcoind):
     """Test that a giant tx doesn't crash bcli"""
     # This complains about how long fundpsbt took.
-    l1 = node_factory.get_node(start=False, broken_log='Request fundpsbt took')
+    l1 = node_factory.get_node(start=False, broken_log="That's weird: Request .*psbt took")
     # With memleak we spend far too much time gathering backtraces.
     if "LIGHTNINGD_DEV_MEMLEAK" in l1.daemon.env:
         del l1.daemon.env["LIGHTNINGD_DEV_MEMLEAK"]