Removed unneeded deprecation warning silencing in test suite.

class FieldsTests(SimpleTestCase):

    def setUp(self):

        self.save_warnings_state()

        warnings.filterwarnings('ignore', category=DeprecationWarning,

                                module='django.core.validators')

    def tearDown(self):

        self.restore_warnings_state()

    def test_field_sets_widget_is_required(self):

        self.assertTrue(Field(required=True).widget.is_required)

        self.assertFalse(Field(required=False).widget.is_required)

import os

import sys

import traceback

import warnings

from urlparse import urljoin

from django import template

from django.template import loader

from django.template.loaders import app_directories, filesystem, cached

from django.test import RequestFactory

from django.test.utils import (get_warnings_state, restore_warnings_state,

    setup_test_template_loader, restore_template_loaders, override_settings)

from django.test.utils import (setup_test_template_loader,

    restore_template_loaders, override_settings)

from django.utils import unittest

from django.utils.formats import date_format

from django.utils.translation import activate, deactivate, ugettext as _

class Templates(unittest.TestCase):

    def setUp(self):

        self._warnings_state = get_warnings_state()

        warnings.filterwarnings('ignore', category=DeprecationWarning,

                                module='django.template.defaulttags')

        self.old_static_url = settings.STATIC_URL

        self.old_media_url = settings.MEDIA_URL

        settings.STATIC_URL = u"/static/"

    def tearDown(self):

        settings.STATIC_URL = self.old_static_url

        settings.MEDIA_URL = self.old_media_url

        restore_warnings_state(self._warnings_state)

    def test_loaders_security(self):

        ad_loader = app_directories.Loader()