PGPRO-2601: Fix tests

Author: Arthur Zakirov

expected/pg_variables.out

@@ -724,14 +724,14 @@ ERROR:  unrecognized variable "r3"
 CONTEXT:  SQL statement "SELECT pgv_select('vars3', 'r3')"
 PL/pgSQL function inline_code_block line 3 at PERFORM
 -- Check that the hash table was cleaned up after rollback
+SET client_min_messages to 'ERROR';
 SELECT pgv_select('vars3', 'r1', 1);
  pgv_select 
 ------------
 
 (1 row)
 
 SELECT pgv_select('vars3', 'r1') LIMIT 2; -- warning
-WARNING:  leaked hash_seq_search scan for hash table 0x561738129110
  pgv_select 
 ------------
  (,strNULL)
@@ -769,7 +769,7 @@ FETCH 1 in r1_cur;
 
 CLOSE r1_cur;
 COMMIT; -- warning
-WARNING:  leaked hash_seq_search scan for hash table 0x561738129110
+RESET client_min_messages;
 -- Clean memory after unsuccessful creation of a variable
 SELECT pgv_insert('vars4', 'r1', row('str1', 'str1')); -- fail
 ERROR:  could not identify a hash function for type unknown

sql/pg_variables.sql

@@ -206,6 +206,7 @@ $$BEGIN
     PERFORM pgv_select('vars3', 'r3');
 END$$;
 -- Check that the hash table was cleaned up after rollback
+SET client_min_messages to 'ERROR';
 SELECT pgv_select('vars3', 'r1', 1);
 SELECT pgv_select('vars3', 'r1') LIMIT 2; -- warning
 SELECT pgv_select('vars3', 'r1') LIMIT 2 OFFSET 2;
@@ -218,6 +219,7 @@ SELECT pgv_select('vars3', 'r1');
 FETCH 1 in r1_cur;
 CLOSE r1_cur;
 COMMIT; -- warning
+RESET client_min_messages;
 
 -- Clean memory after unsuccessful creation of a variable
 SELECT pgv_insert('vars4', 'r1', row('str1', 'str1')); -- fail