fix: update test for arrow_c_stream_capsule_released to verify destructor behavior and pointer accessibility

Author: kosiew

python/tests/test_dataframe.py

@@ -1725,9 +1725,11 @@ def test_arrow_c_stream_capsule_released(ctx):
     reader = pa.RecordBatchReader._import_from_c_capsule(capsule)
     reader.read_all()
 
-    # After import the capsule no longer exposes the pointer
-    with pytest.raises(ValueError):
-        get_ptr(capsule, b"arrow_array_stream")
+    # After import, PyArrow takes ownership and resets the destructor
+    assert get_destructor(capsule) == 0
+
+    # Pointer remains retrievable
+    assert get_ptr(capsule, b"arrow_array_stream")
     pyerr_clear()