Parsed test spec with 2 sessions

starting permutation: b_cic w_beta b_ric b_check
step b_cic: CREATE INDEX CONCURRENTLY cic_bm25 ON cic USING fts (d);
step w_beta: INSERT INTO cic SELECT g, to_ftsdoc('beta doc ' || g)
                     FROM generate_series(200, 249) g;
step b_ric: REINDEX INDEX CONCURRENTLY cic_bm25;
step b_check: SET enable_seqscan = off;
                 SELECT count(*) AS alpha FROM cic WHERE d @@@ 'alpha'::ftsquery;
                 SELECT count(*) AS beta  FROM cic WHERE d @@@ 'beta'::ftsquery;
alpha
-----
  100
(1 row)

beta
----
  50
(1 row)