test: fix intermittent failures with test=addrman

The nKey of the addrman is generated the first time the node is
started. Therefore, restarting a node or turning it off and on
again won't make a previously non-deterministic addrman
deterministic.

Co-authored-by: 0xb10c <b10c@b10c.me>

test/functional/feature_asmap.py

@@ -39,7 +39,8 @@ def expected_messages(filename):
 class AsmapTest(BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 1
-        self.extra_args = [["-checkaddrman=1"]]  # Do addrman checks on all operations.
+        # Do addrman checks on all operations and use deterministic addrman
+        self.extra_args = [["-checkaddrman=1", "-test=addrman"]]
 
     def fill_addrman(self, node_id):
         """Add 2 tried addresses to the addrman, followed by 2 new addresses."""

test/functional/rpc_net.py

@@ -319,7 +319,9 @@ def test_getnodeaddresses(self):
 
     def test_addpeeraddress(self):
         self.log.info("Test addpeeraddress")
-        self.restart_node(1, ["-checkaddrman=1", "-test=addrman"])
+        # The node has an existing, non-deterministic addrman from a previous test.
+        # Clear it to have a deterministic addrman.
+        self.restart_node(1, ["-checkaddrman=1", "-test=addrman"], clear_addrman=True)
         node = self.nodes[1]
 
         self.log.debug("Test that addpeerinfo is a hidden RPC")