Parsed test spec with 3 sessions

starting permutation: s3-lower-pool-size s1-begin s1-count-slow s3-increase-pool-size s2-select s1-commit
step s3-lower-pool-size:
 SELECT set_max_shared_pool_size(5);

set_max_shared_pool_size
---------------------------------------------------------------------

(1 row)

step s1-begin:
 BEGIN;

step s1-count-slow:
 SELECT pg_sleep(0.1), count(*) FROM test;

pg_sleep|count
---------------------------------------------------------------------
        |  101
(1 row)

step s3-increase-pool-size:
 SELECT set_max_shared_pool_size(100);

set_max_shared_pool_size
---------------------------------------------------------------------

(1 row)

step s2-select:
       SELECT count(*) FROM test;

count
---------------------------------------------------------------------
  101
(1 row)

step s1-commit:
 COMMIT;