Parsed test spec with 2 sessions

starting permutation: lock vac_specified drop_and_commit
step lock: 
 BEGIN;
 LOCK part1 IN SHARE MODE;

step vac_specified: VACUUM part1, part2; <waiting ...>
step drop_and_commit: 
 DROP TABLE part2;
 COMMIT;

s2: WARNING:  skipping vacuum of "part2" --- relation no longer exists
step vac_specified: <... completed>

starting permutation: lock vac_all_parts drop_and_commit
step lock: 
 BEGIN;
 LOCK part1 IN SHARE MODE;

step vac_all_parts: VACUUM parted; <waiting ...>
step drop_and_commit: 
 DROP TABLE part2;
 COMMIT;

step vac_all_parts: <... completed>

starting permutation: lock analyze_specified drop_and_commit
step lock: 
 BEGIN;
 LOCK part1 IN SHARE MODE;

step analyze_specified: ANALYZE part1, part2; <waiting ...>
step drop_and_commit: 
 DROP TABLE part2;
 COMMIT;

s2: WARNING:  skipping analyze of "part2" --- relation no longer exists
step analyze_specified: <... completed>

starting permutation: lock analyze_all_parts drop_and_commit
step lock: 
 BEGIN;
 LOCK part1 IN SHARE MODE;

step analyze_all_parts: ANALYZE parted; <waiting ...>
step drop_and_commit: 
 DROP TABLE part2;
 COMMIT;

step analyze_all_parts: <... completed>

starting permutation: lock vac_analyze_specified drop_and_commit
step lock: 
 BEGIN;
 LOCK part1 IN SHARE MODE;

step vac_analyze_specified: VACUUM ANALYZE part1, part2; <waiting ...>
step drop_and_commit: 
 DROP TABLE part2;
 COMMIT;

s2: WARNING:  skipping vacuum of "part2" --- relation no longer exists
step vac_analyze_specified: <... completed>

starting permutation: lock vac_analyze_all_parts drop_and_commit
step lock: 
 BEGIN;
 LOCK part1 IN SHARE MODE;

step vac_analyze_all_parts: VACUUM ANALYZE parted; <waiting ...>
step drop_and_commit: 
 DROP TABLE part2;
 COMMIT;

step vac_analyze_all_parts: <... completed>