mark test_distributed_workflows_integral_types as xfail (#1845)

Author: ansjhajjar

tests/test_remote_workflow.py

@@ -630,6 +630,7 @@ def test_multi_process_transparent_api_create_on_local_remote_ith_address_workfl
     assert np.allclose(max_field.data, [10.03242272])
 
 
+@pytest.mark.xfail(reason="Unstable test")
 @pytest.mark.skipif(
     not conftest.SERVERS_VERSION_GREATER_THAN_OR_EQUAL_TO_4_0,
     reason="Requires server version higher than 4.0",