@skipUnlessDBFeature("supports_mixed_date_datetime_comparisons")
    def test_mixed_comparisons1(self):
        for i in range(len(self.delays)):
            delay = self.delays[i]
            if not connection.features.supports_microsecond_precision:
                delay = datetime.timedelta(delay.days, delay.seconds)
            test_set = [e.name for e in Experiment.objects.filter(assigned__gt=F('start') - delay)]
            self.assertEqual(test_set, self.expnames[:i])

            test_set = [e.name for e in Experiment.objects.filter(assigned__gte=delay - F('start'))]
            self.assertEqual(test_set, self.expnames[:i + 1])
dataset/ETHPy150Open django/django/tests/expressions/tests.py/FTimeDeltaTests.test_mixed_comparisons1/swapped operands of `-`