fix: Use the remote and managed functions for bigframes results

Author: jialuoo

tests/system/large/functions/test_managed_function.py

@@ -1166,7 +1166,7 @@ def is_sum_positive_series(s):
         pd_int64_df_filtered = pd_int64_df.dropna()
 
         # Test callable condition in dataframe.where method.
-        bf_result = bf_int64_df_filtered.where(is_sum_positive_series).to_pandas()
+        bf_result = bf_int64_df_filtered.where(is_sum_positive_series_mf).to_pandas()
         pd_result = pd_int64_df_filtered.where(is_sum_positive_series)
 
         # Ignore any dtype difference.

tests/system/large/functions/test_remote_function.py

@@ -3066,7 +3066,7 @@ def func_for_other(x):
 
         # Test callable condition in dataframe.where method.
         bf_result = bf_int64_df_filtered.where(
-            is_sum_positive_series, func_for_other
+            is_sum_positive_series_mf, func_for_other
         ).to_pandas()
         pd_result = pd_int64_df_filtered.where(is_sum_positive_series, func_for_other)