Removed usage of a few deprecated unittest assertions.

tests/check_framework/test_urls.py

@@ -4,6 +4,7 @@ from django.core.checks.urls import (
 )
 from django.test import SimpleTestCase
 from django.test.utils import override_settings
+from django.utils import six
 
 
 class CheckUrlsTest(SimpleTestCase):
@@ -34,7 +35,7 @@ class CheckUrlsTest(SimpleTestCase):
         result = check_url_config(None)
         warning = result[0]
         self.assertEqual(warning.id, 'urls.E004')
-        self.assertRegexpMatches(warning.msg, (
+        six.assertRegex(self, warning.msg, (
             r"^Your URL pattern \('\^tuple/\$', <function <lambda> at 0x(\w+)>\) is "
             r"invalid. Ensure that urlpatterns is a list of url\(\) instances.$"
         ))

tests/utils_tests/test_functional.py

@@ -134,14 +134,14 @@ class FunctionalTestCase(unittest.TestCase):
     def test_lazy_repr_text(self):
         original_object = 'Lazy translation text'
         lazy_obj = lazy(lambda: original_object, six.text_type)
-        self.assertEquals(repr(original_object), repr(lazy_obj()))
+        self.assertEqual(repr(original_object), repr(lazy_obj()))
 
     def test_lazy_repr_int(self):
         original_object = 15
         lazy_obj = lazy(lambda: original_object, int)
-        self.assertEquals(repr(original_object), repr(lazy_obj()))
+        self.assertEqual(repr(original_object), repr(lazy_obj()))
 
     def test_lazy_repr_bytes(self):
         original_object = b'J\xc3\xbcst a str\xc3\xadng'
         lazy_obj = lazy(lambda: original_object, bytes)
-        self.assertEquals(repr(original_object), repr(lazy_obj()))
+        self.assertEqual(repr(original_object), repr(lazy_obj()))