django/tests/test_runner_deprecation_app/tests.py

import warnings

from django.test import TestCase
from django.utils.deprecation import RemovedInNextVersionWarning

warnings.warn("module-level warning from deprecation_app", RemovedInNextVersionWarning)


class DummyTest(TestCase):
    def test_warn(self):
        warnings.warn("warning from test", RemovedInNextVersionWarning)