Disable the newly added test for samza runner.

Author: shunping

sdks/python/apache_beam/runners/portability/samza_runner_test.py

@@ -186,6 +186,9 @@ def test_custom_merging_window(self):
   def test_custom_window_type(self):
     raise unittest.SkipTest("https://github.com/apache/beam/issues/21049")
 
+  def test_reshuffle_after_custom_window(self):
+    raise unittest.SkipTest("https://github.com/apache/beam/issues/34831")
+
 
 if __name__ == '__main__':
   # Run the tests.