Fix test.

Author: robertnishihara

python/pyarrow/tests/test_serialization.py

@@ -254,10 +254,6 @@ def test_clone():
     class Foo(object):
         pass
 
-    class Bar(object):
-        def __init__(self):
-            self.value = 1
-
     def custom_serializer(obj):
         return 0
 
@@ -267,8 +263,6 @@ def custom_deserializer(serialized_obj):
     context.register_type(Foo, 'Foo', custom_serializer=custom_serializer,
                           custom_deserializer=custom_deserializer)
 
-    context.register_type(Bar, 'Bar', pickle=True)
-
     new_context = context.clone()
 
     f = Foo()
@@ -280,17 +274,6 @@ def custom_deserializer(serialized_obj):
     deserialized = serialized.deserialize(context=new_context)
     assert deserialized == (0, 'a')
 
-    b = Bar()
-    serialized = pa.serialize(b, context=context)
-    deserialized = serialized.deserialize(context=context)
-    assert type(deserialized).__name__ == Bar.__name__
-    assert deserialized.value == 1
-
-    serialized = pa.serialize(b, context=new_context)
-    deserialized = serialized.deserialize(context=new_context)
-    assert type(deserialized).__name__ == Bar.__name__
-    assert deserialized.value == 1
-
 
 def test_primitive_serialization(large_buffer):
     for obj in PRIMITIVE_OBJECTS: