test: Fix intermittent issue in wallet_bumpfee #19778

 357 | @@ -333,6 +358,7 @@ def test_maxtxfee_fails(self, rbf_node, dest_address):
 358 |      assert_raises_rpc_error(-4, "Unable to create transaction. Fee exceeds maximum configured by -maxtxfee", rbf_node.bumpfee, rbfid)
 359 |      self.restart_node(1, self.extra_args[1])
 360 |      rbf_node.walletpassphrase(WALLET_PASSPHRASE, WALLET_PASSPHRASE_TIMEOUT)
 361 | +    self.connect_nodes(1, 0)
 362 |  

---

 210 | @@ -211,14 +211,15 @@ def test_notmine_bumpfee_fails(self, rbf_node, peer_node, dest_address):
 211 |      # here, the rbftx has a peer_node coin and then adds a rbf_node input
 212 |      # Note that this test depends upon the RPC code checking input ownership prior to change outputs
 213 |      # (since it can't use fundrawtransaction, it lacks a proper change output)
 214 | -    utxos = [node.listunspent()[-1] for node in (rbf_node, peer_node)]
 215 | +    fee = Decimal("0.001")
 216 | +    utxos = [node.listunspent(query_options={'minimumAmount': fee})[-1] for node in (rbf_node, peer_node)]

---

 220 |          "address": utxo["address"],
 221 |          "sequence": BIP125_SEQUENCE_NUMBER
 222 |      } for utxo in utxos]
 223 | -    output_val = sum(utxo["amount"] for utxo in utxos) - Decimal("0.001")
 224 | +    output_val = sum(utxo["amount"] for utxo in utxos) - fee
 225 |      rawtx = rbf_node.createrawtransaction(inputs, {dest_address: output_val})

---