test: Fix intermittent race in p2p_unrequested_blocks.py

test/functional/p2p_unrequested_blocks.py

@@ -257,12 +257,7 @@ class AcceptBlockTest(BitcoinTestFramework):
         test_node.send_message(msg_block(block_291))
 
         # At this point we've sent an obviously-bogus block, wait for full processing
-        # without assuming whether we will be disconnected or not
+        # and assume disconnection
-        try:
-            # Only wait a short while so the test doesn't take forever if we do get
-            # disconnected
-            test_node.sync_with_ping(timeout=1)
-        except AssertionError:
         test_node.wait_for_disconnect()
 
         self.nodes[0].disconnect_p2ps()