fix: resolve unused variable and duplicate test redefinition

Author: shuoweil

packages/bigframes/bigframes/display/html.py

@@ -357,7 +357,7 @@ def repr_mimebundle(
                         exclude=exclude,
                         dry_run_info=dry_run_info,
                     )
-        except Exception as e:
+        except Exception:
             # Anywidget is an optional dependency, so warn rather than fail.
             # TODO(shuowei): When Anywidget becomes the default for all repr modes,
             # remove this warning.

packages/bigframes/tests/unit/display/test_anywidget.py

@@ -386,7 +386,7 @@ def test_page_size_change_resets_batches(mock_df_deferred):
     mock_df_deferred.to_pandas_batches.assert_called()
 
 
-def test_page_size_change_resets_sort(mock_df_deferred):
+def test_sort_change_resets_batches(mock_df_deferred):
     from bigframes.display.anywidget import TableWidget
 
     with bigframes.option_context("display.render_mode", "anywidget"):