test: fix 'unknown named parameter' test in wallet_basic

Fixes loop when testing an unknown named parameter.

test/functional/wallet_basic.py

@@ -310,8 +310,7 @@ def run_test(self):
         node_0_bal += amount
         assert_equal(self.nodes[0].getbalance(), node_0_bal)
 
-        for key in ["totalFee", "feeRate"]:
-            assert_raises_rpc_error(-8, "Unknown named parameter key", self.nodes[2].sendtoaddress, address=address, amount=1, fee_rate=1, key=1)
+        assert_raises_rpc_error(-8, "Unknown named parameter feeRate", self.nodes[2].sendtoaddress, address=address, amount=1, fee_rate=1, feeRate=1)
 
         # Test setting explicit fee rate just below the minimum.
         self.log.info("Test sendmany raises 'fee rate too low' if fee_rate of 0.99999999 is passed")
@@ -505,9 +504,6 @@ def run_test(self):
             fee = prebalance - postbalance - amount
             assert_fee_amount(fee, tx_size, Decimal(fee_rate_btc_kvb))
 
-            for key in ["totalFee", "feeRate"]:
-                assert_raises_rpc_error(-8, "Unknown named parameter key", self.nodes[2].sendtoaddress, address=address, amount=1, fee_rate=1, key=1)
-
             # Test setting explicit fee rate just below the minimum.
             self.log.info("Test sendtoaddress raises 'fee rate too low' if fee_rate of 0.99999999 is passed")
             assert_raises_rpc_error(-6, "Fee rate (0.999 sat/vB) is lower than the minimum fee rate setting (1.000 sat/vB)",