test: clarify comments

Author: steve-chavez

test/expected/postgrest.out

@@ -6,7 +6,7 @@ create function getproject(id int) returns setof projects
 $_$;
 \echo
 
--- this is postgREST CSV query, it produces the same result as our `csv_agg` (see other test)
+-- this is postgREST CSV query, it produces the same result as our `csv_agg` (see ../expected/sanity.out)
 WITH pgrst_source AS (
     SELECT "projects".* FROM "projects"
 )
@@ -31,21 +31,6 @@ FROM ( SELECT * FROM pgrst_source ) _postgrest_t;
   CRLF""",8
 (1 row)
 
--- postgREST CSV query with a filter
-WITH pgrst_source AS (
-    SELECT "projects".* FROM "projects" WHERE  "projects"."id" = 2
-)
-SELECT
-    (SELECT coalesce(string_agg(a.k, ','), '')  FROM (SELECT json_object_keys(r)::text as k FROM (SELECT row_to_json(hh) as r from pgrst_source as hh limit 1) _) a) ||
-    E'\n' ||
-    coalesce(string_agg(substring(_postgrest_t::text, 2, length(_postgrest_t::text) - 2), E'\n'), '') AS body
-FROM ( SELECT * FROM pgrst_source ) _postgrest_t;
-       body        
--------------------
- id,name,client_id+
- 2,"has,comma",1
-(1 row)
-
 -- postgREST CSV query with RPC and a filter, it selects columns in a particular order (client_id, id, name)
 -- and it produces out of order CSV header names
 WITH pgrst_source AS (

test/sql/postgrest.sql

@@ -6,7 +6,7 @@ create function getproject(id int) returns setof projects
 $_$;
 \echo
 
--- this is postgREST CSV query, it produces the same result as our `csv_agg` (see other test)
+-- this is postgREST CSV query, it produces the same result as our `csv_agg` (see ../expected/sanity.out)
 WITH pgrst_source AS (
     SELECT "projects".* FROM "projects"
 )
@@ -16,16 +16,6 @@ SELECT
     coalesce(string_agg(substring(_postgrest_t::text, 2, length(_postgrest_t::text) - 2), E'\n'), '') AS body
 FROM ( SELECT * FROM pgrst_source ) _postgrest_t;
 
--- postgREST CSV query with a filter
-WITH pgrst_source AS (
-    SELECT "projects".* FROM "projects" WHERE  "projects"."id" = 2
-)
-SELECT
-    (SELECT coalesce(string_agg(a.k, ','), '')  FROM (SELECT json_object_keys(r)::text as k FROM (SELECT row_to_json(hh) as r from pgrst_source as hh limit 1) _) a) ||
-    E'\n' ||
-    coalesce(string_agg(substring(_postgrest_t::text, 2, length(_postgrest_t::text) - 2), E'\n'), '') AS body
-FROM ( SELECT * FROM pgrst_source ) _postgrest_t;
-
 -- postgREST CSV query with RPC and a filter, it selects columns in a particular order (client_id, id, name)
 -- and it produces out of order CSV header names
 WITH pgrst_source AS (