Require legacy wallet for wallet_upgradewallet.py

test/functional/test_runner.py

@@ -225,7 +225,7 @@ BASE_SCRIPTS = [
     'wallet_import_rescan.py --legacy-wallet',
     'wallet_import_with_label.py --legacy-wallet',
     'wallet_importdescriptors.py --descriptors',
-    'wallet_upgradewallet.py',
+    'wallet_upgradewallet.py --legacy-wallet',
     'rpc_bind.py --ipv4',
     'rpc_bind.py --ipv6',
     'rpc_bind.py --nonloopback',