fixup! Add custom comparison for TickInfo objects for pytest

Author: llucax

tests/timeseries/_resampling/wall_clock_timer/conftest.py

@@ -94,13 +94,15 @@ def format_val(val: object) -> str:
     return report
 
 
-# We are dealing these fields dynamically, so we make a sanity check here to make sure
-# if something changes, we can catch it early instead of getting some cryptic errors
-# later, deep in the code.
+# We need to compare the fields in TickInfo in a particular way in
+# _compare_tick_info_objects. If new fields are added to the dataclass, we'll most
+# likely need to add a custom comparison for those fields too. To catch this, we do
+# a sanity check here, so if new fields are added we get an early warning instead of
+# getting a comparison that misses those fields.
 assert set(TickInfo.__dataclass_fields__.keys()) == {
     "expected_tick_time",
     "sleep_infos",
-}
+}, "TickInfo fields were added or removed, please update the _compare_tick_info_objects function."
 
 
 def _compare_tick_info_objects(