deps: exclude gcsfs 2026.3.0

Author: chelsea-lin

setup.py

@@ -36,7 +36,7 @@
     # please keep these in sync with the minimum versions in testing/constraints-3.10.txt
     "cloudpickle >= 2.0.0",
     "fsspec >=2023.3.0",
-    "gcsfs >=2023.3.0, !=2025.5.0, !=2026.2.0",
+    "gcsfs >=2023.3.0, !=2025.5.0, !=2026.2.0, !=2026.3.0",
     "geopandas >=0.12.2",
     "google-auth >=2.15.0,<3.0",
     "google-cloud-bigquery[bqstorage,pandas] >=3.36.0",

tests/system/small/test_session.py

@@ -1380,9 +1380,6 @@ def test_read_csv_for_gcs_wildcard_path(session, df_and_gcs_csv):
     bigframes.testing.utils.assert_frame_equal(bf_df.to_pandas(), pd_df.to_pandas())
 
 
-@pytest.mark.skip(
-    reason="Unstable test blocking PR submissions. Tracking bug b/497970577"
-)
 def test_read_csv_for_names(session, df_and_gcs_csv_for_two_columns):
     _, path = df_and_gcs_csv_for_two_columns