fix: Localize BigQuery log suppression for gbq.py

Author: shuoweil

conftest.py

@@ -21,8 +21,6 @@
 import pyarrow as pa
 import pytest
 
-import bigframes._config
-
 # Make sure SettingWithCopyWarning is ignored if it exists.
 # It was removed in pandas 3.0.
 if hasattr(pd.errors, "SettingWithCopyWarning"):
@@ -54,7 +52,6 @@ def default_doctest_imports(doctest_namespace, polars_session_or_bpd):
     doctest_namespace["pd"] = pd
     doctest_namespace["pa"] = pa
     doctest_namespace["bpd"] = polars_session_or_bpd
-    bigframes._config.options.display.progress_bar = None
 
     # TODO(tswast): Consider setting the numpy printoptions here for better
     # compatibility across numpy versions.

third_party/bigframes_vendored/pandas/io/gbq.py

@@ -72,6 +72,7 @@ def read_gbq(
 
         Preserve ordering in a query input.
 
+            >>> bpd.options.display.progress_bar = None
             >>> df = bpd.read_gbq('''
             ...    SELECT
             ...       -- Instead of an ORDER BY clause on the query, use
@@ -86,9 +87,11 @@ def read_gbq(
             ...     WHERE year = 2016
             ...     GROUP BY pitcherFirstName, pitcherLastName
             ... ''', index_col="rowindex")
-            >>> df.head(2)
+            >>> print("START_OF_OUTPUT"); df.head(2) # doctest: +ELLIPSIS,+NORMALIZE_WHITESPACE
+            START_OF_OUTPUT
+            ...
                      pitcherFirstName pitcherLastName  averagePitchSpeed
-            rowindex
+            ...
             1                Albertin         Chapman          96.514113
             2                 Zachary         Britton          94.591039
             <BLANKLINE>