fix: [test] fix API/UI test

Author: Terrtia

tests/test_api.py

@@ -42,6 +42,7 @@ def test_0001_api_ping(self):
             test_logger.info('AIL successfully reached Flask / Web interface')
         except (AssertionError, PyAILError) as ae:
             test_logger.warning(f'Flask / Web interface is unreachable: {ae}')
+            raise ae
         print('----------------------------------------------------')
         print()