fix: add xfail to BIONIC test_download_feeds

tests/integration/test_vulnerability_detector/test_feeds/test_download_feeds.py

@@ -121,19 +121,26 @@ def test_download_feeds(configuration, metadata, set_wazuh_configuration_vdt, tr
         - r'Starting .* database update'
         - r'The update of the .* feed finished successfully'
     '''
-    # Check that the feed update has started
-    evm.check_provider_database_update_start_log(metadata['provider_name'])
-
-    # Check that the feed has been updated successfully
-    evm.check_provider_database_update_finish_log(provider_name=metadata['provider_name'],
-                                                  timeout=metadata['download_timeout'])
-
-    if 'provider_json_name' in metadata:
-        evm.check_provider_database_update_start_log(metadata['provider_json_name'])
-        evm.check_provider_database_update_finish_log(provider_name=metadata['provider_json_name'],
+ try:
+        # Check that the feed update has started
+        evm.check_provider_database_update_start_log(metadata['provider_name'])
+        # Check that the feed has been updated successfully
+        evm.check_provider_database_update_finish_log(provider_name=metadata['provider_name'],
                                                       timeout=metadata['download_timeout'])
 
-    # Check that the timestamp of the feed metadata does not exceed the established threshold limit.
-    assert vd.feed_is_recently_updated(provider_name=metadata['provider_name'], provider_os=metadata['provider_os'],
-                                       threshold_weeks=metadata['update_treshold_weeks']), '' \
-           f"The {metadata['provider_os']} feed has not been recently updated"
+        if 'provider_json_name' in metadata:
+            evm.check_provider_database_update_start_log(metadata['provider_json_name'])
+            evm.check_provider_database_update_finish_log(provider_name=metadata['provider_json_name'],
+                                                          timeout=metadata['download_timeout'])
+
+        # Check that the timestamp of the feed metadata does not exceed the established threshold limit.
+        if metadata['update_treshold_weeks'] != 'None':
+            assert vd.feed_is_recently_updated(provider_name=metadata['provider_name'],
+                                               provider_os=metadata['provider_os'],
+                                               threshold_weeks=metadata['update_treshold_weeks']), '' \
+                                               f"The {metadata['provider_os']} feed has not been recently updated"
+    except TimeoutError as e:
+        if metadata['provider_os'] == 'BIONIC':
+            pytest.xfail(reason='Ubuntu Bionic feed parsing error - Wazuh/Wazuh Issue #13556')
+        else:
+            pytest.fail()