Parsed test spec with 2 sessions

starting permutation: s1-insert s1-begin s1-insert s2-vacuum s1-commit s2-select
step s1-insert: 
    INSERT INTO test_vacuum_vs_insert SELECT i, 2 * i FROM generate_series(1, 3) i;

step s1-begin: 
    BEGIN;

step s1-insert: 
    INSERT INTO test_vacuum_vs_insert SELECT i, 2 * i FROM generate_series(1, 3) i;

s2: INFO:  statistics for "test_vacuum_vs_insert":
total file size: 24576, total data size: 26
total row count: 3, stripe count: 1, average rows per stripe: 3
block count: 2, containing data for dropped columns: 0, none compressed: 2, pglz compressed: 0

s2: INFO:  "test_vacuum_vs_insert": stopping truncate due to conflicting lock request
step s2-vacuum: 
    VACUUM VERBOSE test_vacuum_vs_insert;

step s1-commit: 
    COMMIT;

step s2-select: 
    SELECT * FROM test_vacuum_vs_insert;

a              b              

1              2              
2              4              
3              6              
1              2              
2              4              
3              6              

starting permutation: s1-insert s1-begin s1-insert s2-vacuum-full s1-commit s2-select
step s1-insert: 
    INSERT INTO test_vacuum_vs_insert SELECT i, 2 * i FROM generate_series(1, 3) i;

step s1-begin: 
    BEGIN;

step s1-insert: 
    INSERT INTO test_vacuum_vs_insert SELECT i, 2 * i FROM generate_series(1, 3) i;

step s2-vacuum-full: 
    VACUUM FULL VERBOSE test_vacuum_vs_insert;
 <waiting ...>
step s1-commit: 
    COMMIT;

s2: INFO:  vacuuming "public.test_vacuum_vs_insert"
s2: INFO:  "test_vacuum_vs_insert": found 0 removable, 6 nonremovable row versions in 3 pages
DETAIL:  0 dead row versions cannot be removed yet.
CPU: user: 0.00 s, system: 0.00 s, elapsed: 0.00 s.
step s2-vacuum-full: <... completed>
step s2-select: 
    SELECT * FROM test_vacuum_vs_insert;

a              b              

1              2              
2              4              
3              6              
1              2              
2              4              
3              6