Parsed test spec with 2 sessions

starting permutation: s0_init s0_begin s0_savepoint s0_truncate s1_create_table s1_checkpoint s1_get_changes s1_check_snapshot_info s1_check_snapshot_meta s0_commit
step s0_init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
?column?
--------
init    
(1 row)

step s0_begin: BEGIN;
step s0_savepoint: SAVEPOINT sp1;
step s0_truncate: TRUNCATE tbl1;
step s1_create_table: CREATE TABLE tbl2 (val1 integer, val2 integer);
step s1_checkpoint: CHECKPOINT;
step s1_get_changes: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'skip-empty-xacts', '1', 'include-xids', '0');
data
----
(0 rows)

step s1_check_snapshot_info: SELECT count(*) > 0 as has_info FROM pg_ls_logicalsnapdir(), pg_get_logical_snapshot_info(name) AS info where info.catchange_count >= 2 and array_length(info.catchange_xip,1) >= 2 and info.committed_count >= 1 and array_length(info.committed_xip,1) >= 1;
has_info
--------
t       
(1 row)

step s1_check_snapshot_meta: SELECT count(meta.*) > 0 AS has_meta from pg_ls_logicalsnapdir(), pg_get_logical_snapshot_meta(name) as meta;
has_meta
--------
t       
(1 row)

step s0_commit: COMMIT;