test: fix wallet_crosschain.py

Author: delta1

test/functional/wallet_crosschain.py

@@ -21,9 +21,9 @@ def setup_network(self):
         self.add_nodes(self.num_nodes)
 
         # Switch node 1 to testnet before starting it.
-        self.nodes[1].chain = 'liquidtestnetv1'
+        self.nodes[1].chain = 'liquidtestnet'
         self.nodes[1].extra_args = ['-maxconnections=0', '-prune=550'] # disable testnet sync
-        self.nodes[1].replace_in_config([('regtest=', 'testnet='), ('elementsregtest', 'liquidtestnetv1')])
+        self.nodes[1].replace_in_config([('regtest=', 'testnet='), ('elementsregtest', 'liquidtestnet')])
         self.start_nodes()
 
     def run_test(self):