message: chore: fix integration test issue
diff: @@ -64,7 +64,8 @@ impl Spec for ChainFork2 {
  node0.generate_blocks(2);
  info!("Connect all nodes");
  - net.connect_all();
  + node0.connect(node1);
  + node0.connect(node2);
  net.waiting_for_sync(2, 10);
  info!("Disconnect all nodes");
  net.disconnect_all();
  @@ -122,7 +123,8 @@ impl Spec for ChainFork3 {
  node0.generate_blocks(2);
  info!("Connect all nodes");
  - net.connect_all();
  + node0.connect(node1);
  + node0.connect(node2);
  net.waiting_for_sync(2, 10);
  info!("Disconnect all nodes");
  @@ -196,7 +198,8 @@ impl Spec for ChainFork4 {
  node0.generate_blocks(2);
  info!("Connect all nodes");
  - net.connect_all();
  + node0.connect(node1);
  + node0.connect(node2);
  net.waiting_for_sync(2, 10);
  info!("Disconnect all nodes");
  @@ -273,7 +276,8 @@ impl Spec for ChainFork5 {
  node0.submit_transaction(&transaction);
  node0.generate_blocks(1);
  info!("Connect all nodes");
  - net.connect_all();
  + node0.connect(node1);
  + node0.connect(node2);
  net.waiting_for_sync(2, 10);
  info!("Disconnect all nodes");
  @@ -351,7 +355,8 @@ impl Spec for ChainFork6 {
  node0.generate_blocks(2);
  info!("Connect all nodes");
  - net.connect_all();
  + node0.connect(node1);
  + node0.connect(node2);
  net.waiting_for_sync(2, 10);
  info!("Disconnect all nodes");
  @@ -421,7 +426,8 @@ impl Spec for ChainFork7 {
  node0.generate_blocks(2);
  info!("Connect all nodes");
  - net.connect_all();
  + node0.connect(node1);
  + node0.connect(node2);
  net.waiting_for_sync(2, 10);
  info!("Disconnect all nodes");
  