test: move db-pre-config with pg reserved word func to spec tests

Signed-off-by: Taimoor Zaeem <taimoorzaeem@gmail.com>

test/io/__snapshots__/test_cli/test_schema_cache_snapshot[dbRoutines].yaml

@@ -478,23 +478,6 @@
       pdSchema: public
       pdVolatility: Volatile
 
-- - qiName: 'true'
-    qiSchema: public
-  - - pdDescription: null
-      pdFuncSettings: []
-      pdHasVariadic: false
-      pdName: 'true'
-      pdParams: []
-      pdReturnType:
-        contents:
-          contents:
-            qiName: bool
-            qiSchema: pg_catalog
-          tag: Scalar
-        tag: Single
-      pdSchema: public
-      pdVolatility: Volatile
-
 - - qiName: create_function
     qiSchema: public
   - - pdDescription: null

test/io/fixtures/schema.sql

@@ -251,10 +251,6 @@ select * from projects;
 create or replace view infinite_recursion as
 select * from infinite_recursion;
 
-create or replace function "true"() returns boolean as $_$
-  select true;
-$_$ language sql;
-
 create or replace function notify_pgrst() returns void as $$
   notify pgrst;
 $$ language sql;

test/io/test_io.py

@@ -2037,19 +2037,6 @@ def test_connection_error_message_does_not_claim_retry(defaultenv):
         assert any('"message":"Database connection error."' in line for line in output)
 
 
-def test_db_pre_config_with_pg_reserved_words(defaultenv):
-    "The db-pre-config should not fail unexpectedly when function name is a postgres reserved word"
-
-    env = {
-        **defaultenv,
-        "PGRST_DB_PRE_CONFIG": "true",  # call true function
-    }
-
-    with run(env=env) as postgrest:
-        response = postgrest.session.post("/rpc/true")
-        assert response.status_code == 200
-
-
 def test_db_pre_config_with_non_existent_function(defaultenv):
     "Log error when db-pre-config is set to non-existent function"