Xfail more cases that involve timestamp type

integration_tests/src/main/python/date_time_test.py

@@ -372,6 +372,7 @@ def test_unix_timestamp_improved(data_gen, ansi_enabled):
 
 @pytest.mark.parametrize('ansi_enabled', [True, False], ids=['ANSI_ON', 'ANSI_OFF'])
 @pytest.mark.parametrize('data_gen', date_n_time_gens, ids=idfn)
+@pytest.mark.xfail(condition = is_not_utc(), reason = 'xfail non-UTC time zone tests because of https://github.com/NVIDIA/spark-rapids/issues/9653')
 def test_unix_timestamp(data_gen, ansi_enabled):
     assert_gpu_and_cpu_are_equal_collect(
         lambda spark : unary_op_df(spark, data_gen).select(f.unix_timestamp(f.col("a"))),

integration_tests/src/main/python/parquet_testing_test.py

@@ -16,7 +16,7 @@
 # https://github.com/apache/parquet-testing
 
 from asserts import assert_gpu_and_cpu_are_equal_collect, assert_gpu_and_cpu_error
-from conftest import get_std_input_path, is_parquet_testing_tests_forced, is_precommit_run
+from conftest import get_std_input_path, is_not_utc, is_parquet_testing_tests_forced, is_precommit_run
 from data_gen import copy_and_update
 from pathlib import Path
 import pytest
@@ -122,6 +122,7 @@ def gen_testing_params_for_valid_files():
 
 @pytest.mark.parametrize("path", gen_testing_params_for_valid_files())
 @pytest.mark.parametrize("confs", [_native_reader_confs, _java_reader_confs])
+@pytest.mark.xfail(condition = is_not_utc(), reason = 'xfail non-UTC time zone tests because of https://github.com/NVIDIA/spark-rapids/issues/9653')
 def test_parquet_testing_valid_files(path, confs):
     assert_gpu_and_cpu_are_equal_collect(lambda spark: spark.read.parquet(path), conf=confs)