def METHOD_NAME(self):
    day_1 = datetime(2015, 5, 1, 12, 11)
    day_2 = datetime(2015, 5, 2, 12, 11)
    # Submit two updates TOGETHER, one for this case, but irrelevant,
    # and one for another case, but touching the same property
    self.factory.create_or_update_cases([
        CaseStructure(
            self.case.case_id,
            attrs={
                "update": {
                    'not_relevant': "updated"
                },
                "date_modified": day_1,
            }),
        CaseStructure(
            self.other_case.case_id,
            attrs={
                "update": {
                    'relevant_property': "updated"
                },
                "date_modified": day_1,
            }),
    ])
    # Submit an update that DOES modify the relevant property
    self.factory.create_or_update_case(
        CaseStructure(
            self.case.case_id,
            attrs={
                "update": {
                    'relevant_property': "updated"
                },
                "date_modified": day_2,
            }),
    )
    case = CommCareCase.objects.get_case(self.case.case_id, self.domain)
    self.assertEqual(
        day_2.replace(tzinfo=pytz.UTC),
        get_datetime_case_property_changed(case, "relevant_property", "updated")
    )