message: rpc: Add test for -rpcwaittimeout
  Suggested-by: Jon Atack <@jonatack>
diff: @@ -10,10 +10,12 @@ from test_framework.blocktools import COINBASE_MATURITY
  from test_framework.test_framework import BitcoinTestFramework
  from test_framework.util import (
  assert_equal,
  + assert_greater_than_or_equal,
  assert_raises_process_error,
  assert_raises_rpc_error,
  get_auth_cookie,
  )
  +import time
  # The block reward of coinbaseoutput.nValue (50) BTC/block matures after
  # COINBASE_MATURITY (100) blocks. Therefore, after mining 101 blocks we expect
  @@ -248,6 +250,12 @@ class TestBitcoinCli(BitcoinTestFramework):
  self.nodes[0].wait_for_rpc_connection()
  assert_equal(blocks, BLOCKS + 25)
  + self.log.info("Test -rpcwait option waits at most -rpcwaittimeout seconds for startup")
  + self.stop_node(0) # stop the node so we time out
  + start_time = time.time()
  + assert_raises_process_error(1, "Could not connect to the server", self.nodes[0].cli('-rpcwait', '-rpcwaittimeout=5').echo)
  + assert_greater_than_or_equal(time.time(), start_time + 5)
  +
  if __name__ == '__main__':
  TestBitcoinCli().main()
  