fix tests

Author: sfc-gh-yuwang

src/snowflake/snowpark/modin/plugin/_internal/snowpark_pandas_types.py

@@ -5,7 +5,7 @@
 import datetime
 import inspect
 from abc import ABCMeta, abstractmethod
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from typing import Any, Callable, NamedTuple, Optional, Tuple, Type, Union
 
 import numpy as np
@@ -121,7 +121,7 @@ class TimedeltaType(SnowparkPandasType, LongType):
     two times.
     """
 
-    snowpark_type: DataType = LongType()
+    snowpark_type: DataType = field(default_factory=LongType)
     pandas_type: np.dtype = np.dtype("timedelta64[ns]")
     types_to_convert_with_from_pandas: Tuple[Type] = (  # type: ignore[assignment]
         native_pd.Timedelta,

src/snowflake/snowpark/types.py

@@ -181,6 +181,9 @@ def filtered(d: dict) -> dict:
             self.__dict__
         ) == filtered(other.__dict__)
 
+    def __hash__(self):
+        return hash(repr(self))
+
 
 class TimestampTimeZone(Enum):
     """