Parsed test spec with 2 sessions

starting permutation: s1_b s1_update s2_select s1_r
create_range_partitions

10             
step s1_b: begin;
step s1_update: update test_tbl set id = 2 where id = 1;
step s2_select: select * from test_tbl where id = 1;
id             val            

1              1              
step s1_r: rollback;

starting permutation: s1_b s1_update s2_select_locked s1_r
create_range_partitions

10             
step s1_b: begin;
step s1_update: update test_tbl set id = 2 where id = 1;
step s2_select_locked: select * from test_tbl where id = 1 for share; <waiting ...>
step s1_r: rollback;
step s2_select_locked: <... completed>
id             val            

1              1              

starting permutation: s1_b s1_update s2_select_locked s1_c
create_range_partitions

10             
step s1_b: begin;
step s1_update: update test_tbl set id = 2 where id = 1;
step s2_select_locked: select * from test_tbl where id = 1 for share; <waiting ...>
step s1_c: commit;
step s2_select_locked: <... completed>
id             val