test: Call generate through test framework only

test/functional/wallet_migration.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2020-2022 The Bitcoin Core developers
+# Copyright (c) 2020-present The Bitcoin Core developers
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 """Test Migrating a wallet from legacy to descriptor."""
@@ -461,7 +461,7 @@ class WalletMigrationTest(BitcoinTestFramework):
         addr_info = wallet.getaddressinfo(addr)
         desc = descsum_create("pk(" + addr_info["pubkey"] + ")")
 
-        self.master_node.generatetodescriptor(1, desc, invalid_call=False)
+        self.generatetodescriptor(self.master_node, 1, desc)
 
         bals = wallet.getbalances()