Don't test against min relay fee information in mining_prioritisetransaction.py

Same reasoning as in 55f89da

Author: kristapsk

test/functional/mining_prioritisetransaction.py

@@ -120,7 +120,7 @@ def run_test(self):
         tx_id = self.nodes[0].decoderawtransaction(tx_hex)["txid"]
 
         # This will raise an exception due to min relay fee not being met
-        assert_raises_rpc_error(-26, "min relay fee not met, 0 < 134 (code 66)", self.nodes[0].sendrawtransaction, tx_hex)
+        assert_raises_rpc_error(-26, "min relay fee not met", self.nodes[0].sendrawtransaction, tx_hex)
         assert(tx_id not in self.nodes[0].getrawmempool())
 
         # This is a less than 1000-byte transaction, so just set the fee