[tests] Move deterministic address import to setup_nodes

This requires a small changes to a few tests, but means that
deterministic addresses will always be imported (unless setup_nodes
behaviour is explicitly overridden).

test/functional/interface_zmq.py

@@ -69,6 +69,7 @@ class ZMQTest (BitcoinTestFramework):
         ]
         self.add_nodes(self.num_nodes, self.extra_args)
         self.start_nodes()
+        self.import_deterministic_coinbase_privkeys()
 
     def run_test(self):
         try: