message: [qa] Fix race condition in example_test.py
diff: @@ -186,12 +186,15 @@ class ExampleTest(BitcoinTestFramework):
  self.log.info("Connect node2 and node1")
  connect_nodes(self.nodes[1], 2)
  + self.log.info("Wait for node2 to receive all the blocks from node1")
  + self.sync_all()
  +
  self.log.info("Add P2P connection to node2")
  self.nodes[0].disconnect_p2ps()
  self.nodes[2].add_p2p_connection(BaseNode())
  - self.log.info("Wait for node2 reach current tip. Test that it has propagated all the blocks to us")
  + self.log.info("Test that node2 propagates all the blocks to us")
  getdata_request = msg_getdata()
  for block in blocks:
  