remove test comparing datetimes down to seconds as not needed (#744)

Co-authored-by: Toni Nurmi <[email protected]>

src/metax_api/tests/api/rest/v2/views/datasets/write.py

@@ -858,17 +858,6 @@ def test_catalog_record_deprecated_and_date_deprecated_cannot_be_set(self):
         self.assertEqual(response.data['deprecated'], initial_deprecated)
         self.assertTrue('date_deprecated' not in response.data)
 
-    def test_catalog_record_deprecation_updates_date_modified(self):
-        cr = CatalogRecordV2.objects.filter(files__id=1)
-        cr_id = cr[0].identifier
-
-        response = self.client.delete('/rest/v2/files/1')
-        self.assertEqual(response.status_code, status.HTTP_200_OK, response.data)
-
-        cr_depr = CatalogRecordV2.objects.get(identifier=cr_id)
-        self.assertTrue(cr_depr.deprecated)
-        self.assertEqual(cr_depr.date_modified, cr_depr.date_deprecated, 'date_modified should be updated')
-
     def test_change_datacatalog_ATT_to_IDA(self):
         cr = self._get_new_full_test_att_cr_data()