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;

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

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