Add println to check CLN block height

This helps debug CI failures caused by outdated block height.

Author: moisesPompilio

.github/workflows/cln-integration.yml

@@ -23,4 +23,4 @@ jobs:
           socat -d -d UNIX-LISTEN:/tmp/lightning-rpc,reuseaddr,fork TCP:127.0.0.1:9937&
 
       - name: Run CLN integration tests
-        run: RUSTFLAGS="--cfg cln_test" cargo test --test integration_tests_cln
+        run: RUSTFLAGS="--cfg cln_test" cargo test --test integration_tests_cln -- --nocapture

tests/integration_tests_cln.rs

@@ -85,7 +85,7 @@ fn test_cln() {
 
 	node.open_channel(cln_node_id, cln_address, funding_amount_sat, Some(500_000_000), None)
 		.unwrap();
-
+	println!("[CLN] Node block height: {:?}", cln_info.blockheight);
 	let funding_txo = common::expect_channel_pending_event!(node, cln_node_id);
 	common::wait_for_tx(&electrs_client, funding_txo.txid);
 	common::generate_blocks_and_wait(&bitcoind_client, &electrs_client, 6);