Merge #18692: test: Bump timeout in wallet_import_rescan

fabfcad876 test: Bump timeout in wallet_import_rescan (MarcoFalke)

Pull request description:

  Avoid timeouts when starting the node, also make error message more verbose

ACKs for top commit:
  practicalswift:
    ACK fabfcad876 -- patch looks correct

Tree-SHA512: 8fd60a05380349f521d0e814d2f268702dfbe57c7567a4f6e94435498dfdd32909179d75fded44757ecb1a93a4045842bc6d00bfd6cd18ba751513461359c7b0

test/functional/test_framework/test_node.py

@@ -241,7 +241,7 @@ class TestNode():
                 if "No RPC credentials" not in str(e):
                     raise
             time.sleep(1.0 / poll_per_s)
-        self._raise_assertion_error("Unable to connect to bitcoind")
+        self._raise_assertion_error("Unable to connect to bitcoind after {}s".format(self.rpc_timeout))
 
     def generate(self, nblocks, maxtries=1000000):
         self.log.debug("TestNode.generate() dispatches `generate` call to `generatetoaddress`")
@@ -527,7 +527,6 @@ def arg_to_cli(arg):
 
 class TestNodeCLI():
     """Interface to bitcoin-cli for an individual node"""
-
     def __init__(self, binary, datadir):
         self.options = []
         self.binary = binary

test/functional/wallet_import_rescan.py

@@ -40,7 +40,6 @@ Rescan = enum.Enum("Rescan", "no yes late_timestamp")
 
 class Variant(collections.namedtuple("Variant", "call data address_type rescan prune")):
     """Helper for importing one key and verifying scanned transactions."""
-
     def do_import(self, timestamp):
         """Call one key import RPC."""
         rescan = self.rescan == Rescan.yes
@@ -146,6 +145,7 @@ class ImportRescanTest(BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 2 + len(IMPORT_NODES)
         self.supports_cli = False
+        self.rpc_timeout = 120
 
     def skip_test_if_missing_module(self):
         self.skip_if_no_wallet()
@@ -226,5 +226,6 @@ class ImportRescanTest(BitcoinTestFramework):
             variant.expected_txs += 1
             variant.check(variant.sent_txid, variant.sent_amount, variant.confirmation_height)
 
+
 if __name__ == "__main__":
     ImportRescanTest().main()