[FIX] tests: mute correct loggers in old versions

In old version, this is `odoo.addons.base.maintenance.migrations.util`.

closes #269

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

Author: KangOl

src/base/tests/test_util.py

@@ -801,7 +801,7 @@ def test_explode_mult_filters(self):
             cr.execute(q)
             self.assertTrue(all(x for (x,) in cr.fetchall()))
 
-    @mute_logger("odoo.upgrade.util.pg.explode_query_range")
+    @mute_logger(util.pg._logger.getChild("explode_query_range").name)
     def test_explode_query_range(self):
         cr = self.env.cr
 
@@ -1822,7 +1822,7 @@ def test_literal_replace(self, orig, expected, old_unparse_fallback=None):
             self.assertEqual(repl, expected)
 
     @unittest.skipUnless(util.ast_unparse is not None, "`ast.unparse` available from Python3.9")
-    @mute_logger("odoo.upgrade.util.misc")
+    @mute_logger(util.misc._logger.name)
     def test_literal_replace_error(self):
         # this shouldn't raise a syntax error
         res = util.literal_replace("[1,2", {"1": "3"})