Update Pubsub fixture and test

libp2p/pubsub/pubsub.py

@@ -532,7 +532,7 @@ class Pubsub:
 
         # Check if signing is required and if so signature should be attached.
         if self.strict_signing:
-            if msg.signature == b'':
+            if msg.signature == b"":
                 logger.debug("Reject because no signature attached for msg: %s", msg)
                 return
             # Validate the signature of the message

libp2p/tools/factories.py

@@ -153,6 +153,7 @@ class PubsubFactory(factory.Factory):
     router = None
     my_id = factory.LazyAttribute(lambda obj: obj.host.get_id())
     cache_size = None
+    strict_signing = False
 
 
 async def swarm_pair_factory(