tests: add check of customized makemessages command (#82927)

tests/test_misc.py

@@ -0,0 +1,11 @@
+from unittest import mock
+
+from django.core.management import call_command
+
+
+def test_makemessages():
+    with mock.patch('django.core.management.commands.makemessages.Command.handle') as handle:
+        handle.return_value = ''
+        call_command('makemessages')
+        assert handle.call_args[1].get('add_location') == 'file'
+        assert handle.call_args[1].get('no_obsolete') is True