[FIX] tests/test_util: filters in sort must be a JSON array

Since odoo/odoo@5b95abb8 we enforce `sort` column to be a stringified
JSON array of field names.

closes #110

Signed-off-by: Christophe Simonis (chs) <[email protected]>

Author: aj-fuentes

src/base/tests/test_util.py

@@ -394,7 +394,7 @@ def test_remove_field(self, domain, expected):
         cr = self.env.cr
         cr.execute(
             "INSERT INTO ir_filters(name, model_id, domain, context, sort)"
-            "     VALUES ('test', 'base.module.update', %s, '{}', 'id') RETURNING id",
+            "     VALUES ('test', 'base.module.update', %s, '{}', '[]') RETURNING id",
             [str(domain)],
         )
         (filter_id,) = cr.fetchone()