message: test: Establish only one connection between nodes in rpc_invalidateblock
diff: @@ -8,7 +8,7 @@ from test_framework.test_framework import BitcoinTestFramework
  from test_framework.address import ADDRESS_BCRT1_UNSPENDABLE
  from test_framework.util import (
  assert_equal,
  - connect_nodes_bi,
  + connect_nodes,
  wait_until,
  )
  @@ -33,7 +33,7 @@ class InvalidateTest(BitcoinTestFramework):
  assert_equal(self.nodes[1].getblockcount(), 6)
  self.log.info("Connect nodes to force a reorg")
  - connect_nodes_bi(self.nodes, 0, 1)
  + connect_nodes(self.nodes[0], 1)
  self.sync_blocks(self.nodes[0:2])
  assert_equal(self.nodes[0].getblockcount(), 6)
  badhash = self.nodes[1].getblockhash(2)
  @@ -44,7 +44,7 @@ class InvalidateTest(BitcoinTestFramework):
  assert_equal(self.nodes[0].getbestblockhash(), besthash_n0)
  self.log.info("Make sure we won't reorg to a lower work chain:")
  - connect_nodes_bi(self.nodes, 1, 2)
  + connect_nodes(self.nodes[1], 2)
  self.log.info("Sync node 2 to node 1 so both have 6 blocks")
  self.sync_blocks(self.nodes[1:3])
  assert_equal(self.nodes[2].getblockcount(), 6)
  