Fixes:
Traceback (most recent call last):
File "test/functional/test_framework/test_framework.py", line 126, in main
self.run_test()
File "test/functional/p2p_feefilter.py", line 63, in run_test
self.test_feefilter()
File "test/functional/p2p_feefilter.py", line 117, in test_feefilter
txids = [miniwallet.send_self_transfer(fee_rate=Decimal('0.00020000'), from_node=node1)['wtxid'] for _ in range(3)]
File "test/functional/p2p_feefilter.py", line 117, in <listcomp>
txids = [miniwallet.send_self_transfer(fee_rate=Decimal('0.00020000'), from_node=node1)['wtxid'] for _ in range(3)]
File "test/functional/test_framework/wallet.py", line 63, in send_self_transfer
txid = from_node.sendrawtransaction(tx_hex)
File "test/functional/test_framework/coverage.py", line 47, in __call__
return_val = self.auth_service_proxy_instance.__call__(*args, **kwargs)
File "test/functional/test_framework/authproxy.py", line 146, in __call__
raise JSONRPCException(response['error'], status)
test_framework.authproxy.JSONRPCException: bad-txns-inputs-missingorspent (-25)