test: Adapt the CustomTimeseries test fixture

Comparison of tz-naive and tz-aware datetime-like objects
has been removed in Pandas 2.0.

See: pandas-dev/pandas#49492

Signed-off-by: Julien Jerphanion <git@jjerphan.xyz>

python/tests/integration/arcticdb/version_store/test_update_with_date_range.py

@@ -53,7 +53,14 @@ def __init__(self, wrapped: pd.DataFrame, *, with_timezone_attr: bool, timezone_
 
     def __getitem__(self, item):
         if isinstance(item, slice):
-            open_ended = slice(item.start + timedelta(microseconds=1), item.stop - timedelta(microseconds=1), item.step)
+            # Comparing datetimes with timezone to datetimes without timezone has been deprecated in Pandas 1.2.0
+            # (see https://github.com/pandas-dev/pandas/pull/36148/) and is not support anymore in Pandas 2.0
+            # (see https://github.com/pandas-dev/pandas/pull/49492/).
+            # We explicitly remove the timezone from the start and stop of the slice to be able to use the
+            # index of the wrapped DataFrame.
+            start_wo_tz = item.start.replace(tzinfo=None) + timedelta(microseconds=1)
+            stop_wo_tz = item.stop.replace(tzinfo=None) - timedelta(microseconds=1)
+            open_ended = slice(start_wo_tz, stop_wo_tz, item.step)
             return CustomTimeseries(
                 self.wrapped[open_ended],
                 with_timezone_attr=self.with_timezone_attr,