[extensions-web] tests: fix typo

[Yuri Konotopov <ykonotopov src gnome org>]

commit 0d009a7dbba774cb71a1e9e662ad3f38008a4ada
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Sun Jan 13 13:32:56 2019 +0400

    tests: fix typo

 sweettooth/extensions/tests.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/sweettooth/extensions/tests.py b/sweettooth/extensions/tests.py
index 0346279..4c05564 100644
--- a/sweettooth/extensions/tests.py
+++ b/sweettooth/extensions/tests.py
@@ -53,7 +53,7 @@ class ExtensionPropertiesTest(BasicUserTestCase, TestCase):
 
         metadata = {"uuid": "test-metadata-2 mecheye net",
                     "name": "Test Metadata",
-                    "description": "First line\n\Second line"}
+                    "description": "First line\nSecond line"}
 
         extension = models.Extension.objects.create_from_metadata(metadata, creator=self.user)
         self.assertEqual(extension.first_line_of_description, "First line")