diff --git a/tests/forms_tests/tests/tests.py b/tests/forms_tests/tests/tests.py
index 2616ddaf7d..99a67c320c 100644
--- a/tests/forms_tests/tests/tests.py
+++ b/tests/forms_tests/tests/tests.py
@@ -208,7 +208,8 @@ class RelatedModelFormTests(TestCase):
             ref = models.ForeignKey("B")
 
         class Meta:
-            model=A
+            model = A
+            fields = '__all__'
 
         self.assertRaises(ValueError, ModelFormMetaclass, str('Form'), (ModelForm,), {'Meta': Meta})
 
@@ -226,7 +227,8 @@ class RelatedModelFormTests(TestCase):
             pass
 
         class Meta:
-            model=A
+            model = A
+            fields = '__all__'
 
         self.assertTrue(issubclass(ModelFormMetaclass(str('Form'), (ModelForm,), {'Meta': Meta}), ModelForm))
 
diff --git a/tests/model_forms/tests.py b/tests/model_forms/tests.py
index aadc7a618e..eea1ef9b68 100644
--- a/tests/model_forms/tests.py
+++ b/tests/model_forms/tests.py
@@ -52,12 +52,15 @@ class PriceForm(forms.ModelForm):
 
 class BookForm(forms.ModelForm):
     class Meta:
-       model = Book
+        model = Book
+        fields = '__all__'
 
 
 class DerivedBookForm(forms.ModelForm):
     class Meta:
         model = DerivedBook
+        fields = '__all__'
+
 
 
 class ExplicitPKForm(forms.ModelForm):
diff --git a/tests/model_forms_regress/tests.py b/tests/model_forms_regress/tests.py
index 80900a59e0..39ae857219 100644
--- a/tests/model_forms_regress/tests.py
+++ b/tests/model_forms_regress/tests.py
@@ -97,12 +97,14 @@ class PartiallyLocalizedTripleForm(forms.ModelForm):
     class Meta:
         model = Triple
         localized_fields = ('left', 'right',)
+        fields = '__all__'
 
 
 class FullyLocalizedTripleForm(forms.ModelForm):
     class Meta:
         model = Triple
-        localized_fields = "__all__"
+        localized_fields = '__all__'
+        fields = '__all__'
 
 class LocalizedModelFormTest(TestCase):
     def test_model_form_applies_localize_to_some_fields(self):
diff --git a/tests/runtests.py b/tests/runtests.py
index 2414410375..da4592ecc0 100755
--- a/tests/runtests.py
+++ b/tests/runtests.py
@@ -5,6 +5,7 @@ import shutil
 import subprocess
 import sys
 import tempfile
+import warnings
 
 from django import contrib
 from django.utils._os import upath
@@ -107,7 +108,9 @@ def setup(verbosity, test_labels):
         logger.addHandler(handler)
 
     # Load all the ALWAYS_INSTALLED_APPS.
-    get_apps()
+    with warnings.catch_warnings():
+        warnings.filterwarnings('ignore', 'django.contrib.comments is deprecated and will be removed before Django 1.8.', PendingDeprecationWarning)
+        get_apps()
 
     # Load all the test model apps.
     test_modules = get_test_modules()
diff --git a/tests/test_runner/tests.py b/tests/test_runner/tests.py
index 74a557af26..03a3619c7e 100644
--- a/tests/test_runner/tests.py
+++ b/tests/test_runner/tests.py
@@ -10,8 +10,8 @@ from django.core.exceptions import ImproperlyConfigured
 from django.core.management import call_command
 from django import db
 from django.test import runner, TransactionTestCase, skipUnlessDBFeature
-from django.test.simple import DjangoTestSuiteRunner, get_tests
 from django.test.testcases import connections_support_transactions
+from django.test.utils import IgnorePendingDeprecationWarningsMixin
 from django.utils import unittest
 from django.utils.importlib import import_module
 
@@ -225,15 +225,17 @@ class Ticket17477RegressionTests(AdminScriptTestCase):
         self.assertNoOutput(err)
 
 
-class ModulesTestsPackages(unittest.TestCase):
+class ModulesTestsPackages(IgnorePendingDeprecationWarningsMixin, unittest.TestCase):
     def test_get_tests(self):
         "Check that the get_tests helper function can find tests in a directory"
+        from django.test.simple import get_tests
         module = import_module(TEST_APP_OK)
         tests = get_tests(module)
         self.assertIsInstance(tests, type(module))
 
     def test_import_error(self):
         "Test for #12658 - Tests with ImportError's shouldn't fail silently"
+        from django.test.simple import get_tests
         module = import_module(TEST_APP_ERROR)
         self.assertRaises(ImportError, get_tests, module)
 
@@ -258,7 +260,7 @@ class Sqlite3InMemoryTestDbs(unittest.TestCase):
                     },
                 })
                 other = db.connections['other']
-                DjangoTestSuiteRunner(verbosity=0).setup_databases()
+                runner.DiscoverRunner(verbosity=0).setup_databases()
                 msg = "DATABASES setting '%s' option set to sqlite3's ':memory:' value shouldn't interfere with transaction support detection." % option
                 # Transaction support should be properly initialised for the 'other' DB
                 self.assertTrue(other.features.supports_transactions, msg)
@@ -273,12 +275,12 @@ class DummyBackendTest(unittest.TestCase):
         """
         Test that setup_databases() doesn't fail with dummy database backend.
         """
-        runner = DjangoTestSuiteRunner(verbosity=0)
+        runner_instance = runner.DiscoverRunner(verbosity=0)
         old_db_connections = db.connections
         try:
             db.connections = db.ConnectionHandler({})
-            old_config = runner.setup_databases()
-            runner.teardown_databases(old_config)
+            old_config = runner_instance.setup_databases()
+            runner_instance.teardown_databases(old_config)
         except Exception as e:
             self.fail("setup_databases/teardown_databases unexpectedly raised "
                       "an error: %s" % e)
diff --git a/tests/test_suite_override/tests.py b/tests/test_suite_override/tests.py
index dea110434f..35ca2b060b 100644
--- a/tests/test_suite_override/tests.py
+++ b/tests/test_suite_override/tests.py
@@ -1,5 +1,5 @@
 from django.db.models import get_app
-from django.test.simple import build_suite
+from django.test.utils import IgnorePendingDeprecationWarningsMixin
 from django.utils import unittest
 
 
@@ -9,7 +9,7 @@ def suite():
     return testSuite
 
 
-class SuiteOverrideTest(unittest.TestCase):
+class SuiteOverrideTest(IgnorePendingDeprecationWarningsMixin, unittest.TestCase):
     def test_suite_override(self):
         """
         Validate that you can define a custom suite when running tests with
@@ -17,6 +17,7 @@ class SuiteOverrideTest(unittest.TestCase):
         suite using ``build_suite``).
         """
 
+        from django.test.simple import build_suite
         app = get_app("test_suite_override")
         suite = build_suite(app)
         self.assertEqual(suite.countTestCases(), 1)
diff --git a/tests/test_utils/tests.py b/tests/test_utils/tests.py
index d72a482819..5f7fb05eb4 100644
--- a/tests/test_utils/tests.py
+++ b/tests/test_utils/tests.py
@@ -8,8 +8,7 @@ from django.http import HttpResponse
 from django.template.loader import render_to_string
 from django.test import SimpleTestCase, TestCase, skipUnlessDBFeature
 from django.test.html import HTMLParseError, parse_html
-from django.test.simple import make_doctest
-from django.test.utils import CaptureQueriesContext
+from django.test.utils import CaptureQueriesContext, IgnorePendingDeprecationWarningsMixin
 from django.utils import six
 from django.utils import unittest
 from django.utils.unittest import skip
@@ -624,9 +623,10 @@ class AssertFieldOutputTests(SimpleTestCase):
         self.assertFieldOutput(MyCustomField, {}, {}, empty_value=None)
 
 
-class DoctestNormalizerTest(SimpleTestCase):
+class DoctestNormalizerTest(IgnorePendingDeprecationWarningsMixin, SimpleTestCase):
 
     def test_normalizer(self):
+        from django.test.simple import make_doctest
         suite = make_doctest("test_utils.doctest_output")
         failures = unittest.TextTestRunner(stream=six.StringIO()).run(suite)
         self.assertEqual(failures.failures, [])