wallet: Default new wallets to descriptor wallets

test/functional/tool_wallet.py

@@ -31,8 +31,8 @@ class ToolWalletTest(BitcoinTestFramework):
     def bitcoin_wallet_process(self, *args):
         binary = self.config["environment"]["BUILDDIR"] + '/src/bitcoin-wallet' + self.config["environment"]["EXEEXT"]
         default_args = ['-datadir={}'.format(self.nodes[0].datadir), '-chain=%s' % self.chain]
-        if self.options.descriptors and 'create' in args:
-            default_args.append('-descriptors')
+        if not self.options.descriptors and 'create' in args:
+            default_args.append('-legacy')
 
         return subprocess.Popen([binary] + default_args + list(args), stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)