[extensions-web] tests: fix import of DiffTest

[Frederic Peters <fpeters src gnome org>]

commit def5d32ad7d65fae0f8ed1f45c201af9a305548e
Author: Frédéric Péters <fpeters 0d be>
Date:   Mon Apr 6 10:14:25 2015 +0200

    tests: fix import of DiffTest

 sweettooth/review/tests.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/sweettooth/review/tests.py b/sweettooth/review/tests.py
index 0d450ac..0e9d6d9 100644
--- a/sweettooth/review/tests.py
+++ b/sweettooth/review/tests.py
@@ -7,7 +7,7 @@ from review.views import get_old_version, should_auto_approve_changeset
 
 from testutils import BasicUserTestCase
 
-from difftests import DiffTests
+from difftests import DiffTest
 
 class DiffViewTest(BasicUserTestCase, TestCase):
     def test_get_zipfiles(self):