public void Does_not_request_peer_refresh_on_known_hints() { _blockTree.IsKnownBlock(1, TestItem.KeccakA).ReturnsForAnyArgs(true); _syncServer.HintBlock(TestItem.KeccakA, 1, _nodeWhoSentTheBlock); _peerPool.DidNotReceiveWithAnyArgs().RefreshTotalDifficulty(null, null); }