ResultSet::normalizeRow(): fixed test when Postgre default TZ is not UTC

Postgre returns timestamps with timezone according to timezone currently
set for connection. If timezone for connection is not set, it uses default
timezone which can differ between systems.

Author: foxycode

tests/Database/ResultSet.normalizeRow.postgre.phpt

@@ -15,6 +15,8 @@ require __DIR__ . '/connect.inc.php'; // create $connection
 Nette\Database\Helpers::loadFromFile($connection, __DIR__ . '/files/pgsql-nette_test3.sql');
 
 
+$connection->query("SET TIMEZONE TO 'UTC'");
+
 $res = $connection->query('SELECT * FROM types');
 
 $row = $res->fetch();