Fixes unit tests

src/test/regress/expected/isolation_citus_pause_node.out

@@ -4,14 +4,35 @@ starting permutation: s1-begin s1-pause-node s2-begin s2-insert s2-end s1-end
 step s1-begin:
     BEGIN;
 
+s1: NOTICE:
 step s1-pause-node:
- SELECT pg_catalog.citus_pause_node(2);
-
-citus_pause_node
----------------------------------------------------------------------
-
-(1 row)
+SET client_min_messages = 'notice';
+DO $$
+DECLARE
+ v_shard_id int;
+ v_node_id int;
+ v_node_name text;
+ v_node_port int;
+BEGIN
+--The first message in the block is being printed on the top of the code block. So adding a dummy message
+--to make sure that the first message is printed in correct place.
+ raise notice '';
+ -- Get the shard id for the distribution column
+ SELECT get_shard_id_for_distribution_column('employee', 3) into v_shard_id;
+ --Get the node id for the shard id
+ SELECT nodename,nodeport into v_node_name,v_node_port FROM citus_shards WHERE shardid = v_shard_id limit 1;
+ raise notice 'node name is %',v_node_name;
+ raise notice 'node port is %',v_node_port;
+ -- Get the node id for the shard id
+ SELECT nodeid into v_node_id FROM pg_dist_node WHERE nodename = v_node_name and nodeport = v_node_port limit 1;
+ -- Pause the node
+ perform pg_catalog.citus_pause_node(v_node_id) ;
+END;
+$$
+LANGUAGE plpgsql;
 
+s1: NOTICE:  node name is localhost
+s1: NOTICE:  node port is 57638
 step s2-begin:
  BEGIN;
 
@@ -22,13 +43,13 @@ step s2-insert:
  -- Variable to track if the INSERT statement was successful
  DO $$
  DECLARE
-  insert_successful BOOLEAN := FALSE;
+  v_insert_successful BOOLEAN := FALSE;
  BEGIN
   -- Execute the INSERT statement
   insert into employee values(11,'e11',3);
   -- If we reach this point, the INSERT statement was successful
-  insert_successful := TRUE;
-  IF insert_successful THEN
+  v_insert_successful := TRUE;
+  IF v_insert_successful THEN
    RAISE NOTICE 'INSERT statement completed successfully. This means that citus_pause_node could not get the lock.';
   END IF;
  -- You can add additional processing here if needed

src/test/regress/spec/isolation_citus_pause_node.spec

@@ -52,7 +52,10 @@ step "s1-pause-node"
 		v_node_name text;
 		v_node_port int;
 	BEGIN
-			-- Get the shard id for the distribution column
+		--The first message in the block is being printed on the top of the code block. So adding a dummy message
+		--to make sure that the first message is printed in correct place.
+		raise notice '';
+		-- Get the shard id for the distribution column
 		SELECT get_shard_id_for_distribution_column('employee', 3) into v_shard_id;
 
 		--Get the node id for the shard id
@@ -62,7 +65,6 @@ step "s1-pause-node"
 
 		-- Get the node id for the shard id
 		SELECT nodeid into v_node_id FROM pg_dist_node WHERE nodename = v_node_name and nodeport = v_node_port limit 1;
-		raise notice 'node id is %',v_node_id;
 
 
 		-- Pause the node