message: Test prioritisetransaction and ancestor fee state
  There is already a similar test for descendant fee state.
  Github-Pull:
  Rebased-From:
diff: @@ -102,6 +102,18 @@ class MempoolPackagesTest(BitcoinTestFramework):
  assert_equal(mempool[x], v_descendants[x])
  assert(chain[0] not in v_descendants.keys())
  + # Check that ancestor modified fees includes fee deltas from
  + # prioritisetransaction
  + self.nodes[0].prioritisetransaction(chain[0], 1000)
  + mempool = self.nodes[0].getrawmempool(True)
  + ancestor_fees = 0
  + for x in chain:
  + ancestor_fees += mempool[x]['fee']
  + assert_equal(mempool[x]['ancestorfees'], ancestor_fees * COIN + 1000)
  +
  + # Undo the prioritisetransaction for later tests
  + self.nodes[0].prioritisetransaction(chain[0], -1000)
  +
  # Check that descendant modified fees includes fee deltas from
  # prioritisetransaction
  self.nodes[0].prioritisetransaction(chain[-1], 0, 1000)
  