message: test: fix potential failure in integration test CheckVmVersion
diff: @@ -80,7 +80,9 @@ impl Spec for CheckVmVersion {
  info!("Test Sync:");
  let (rpc_client0, rpc_client1) = (node.rpc_client(), node1.rpc_client());
  - let ret = wait_until(20, || {
  + // The GetHeaders will be sent every 15s.
  + // When reach tip, the GetHeaders will be paused 28s.
  + let ret = wait_until(60, || {
  let header0 = rpc_client0.get_tip_header();
  let header1 = rpc_client1.get_tip_header();
  header0 == header1
  