test identify_datetime_format

to debug why test is not passed in CI but works locally

libs/libcommon/tests/test_utils.py

@@ -16,6 +16,7 @@
     get_datetime,
     get_duration,
     get_expires,
+    identify_datetime_format,
     inputs_to_string,
     is_image_url,
     orjson_dumps,
@@ -153,3 +154,13 @@ def test_serialize_and_truncate_raises(obj: Any, max_bytes: int) -> None:
 
 def test_get_duration() -> None:
     assert get_duration(get_datetime() - timedelta(seconds=10)) == pytest.approx(10, rel=0.01)
+
+
+@pytest.mark.parametrize(
+    "datetime_string,expected_format",
+    [
+        ("2024-01-01 00:00:00CET", "%Y-%m-%d %H:%M:%S%Z"),
+    ],
+)
+def test_identify_datetime_format(datetime_string: str, expected_format: str) -> None:
+    assert identify_datetime_format(datetime_string) == expected_format