test: Wait until is_connected in add_p2p_connection

test/functional/test_framework/mininode.py

@@ -474,7 +474,7 @@ class P2PInterface(P2PConnection):
         def test_function():
             return "verack" in self.last_message
 
-        self.wait_until(test_function, timeout=timeout, check_connected=False)
+        self.wait_until(test_function, timeout=timeout)
 
     # Message sending helper functions
 

test/functional/test_framework/test_node.py

@@ -524,6 +524,7 @@ class TestNode():
 
         p2p_conn.peer_connect(**kwargs, net=self.chain, timeout_factor=self.timeout_factor)()
         self.p2ps.append(p2p_conn)
+        p2p_conn.wait_until(lambda: p2p_conn.is_connected, check_connected=False)
         if wait_for_verack:
             # Wait for the node to send us the version and verack
             p2p_conn.wait_for_verack()