Revert "Marked a test as an expected failure on MySQL and Python 3.2."

import datetime

from operator import attrgetter

import sys

import unittest

from django.core.exceptions import ValidationError

from django.test import TestCase, skipUnlessDBFeature

from django.utils import six

from django.utils.timezone import get_fixed_timezone

from django.db import connection, router

from django.db import router

from django.db.models.sql import InsertQuery

from .models import (Worker, Article, Party, Event, Department,

            attrgetter("when")

        )

    if (3,) <= sys.version_info < (3, 3) and connection.vendor == 'mysql':

        # In Python < 3.3, datetime.strftime raises an exception for years

        # below 1000, and existing MySQL DB-API drivers hit this problem.

        test_date_lookup = unittest.expectedFailure(test_date_lookup)

    def test_date_filter_null(self):

        # Date filtering was failing with NULL date values in SQLite

        # (regression test for #3501, among other things).