[1.10.x] Replaced use of TestCase.fail() with assertRaises().

Also removed try/except/fail antipattern that hides exceptions.

Backport of c9ae09addffb839403312131d4251e9d8b454508 from master

1 files changed, 1 insertions, 7 deletions

diff --git a/tests/sessions_tests/tests.py b/tests/sessions_tests/tests.py
index dbba1235b5..480eb72c8f 100644
--- a/tests/sessions_tests/tests.py
+++ b/tests/sessions_tests/tests.py
@@ -198,13 +198,7 @@ class SessionTestsMixin(object):
         # removed the key) results in a new key being generated.
         try:
             session = self.backend('1')
-            try:
-                session.save()
-            except AttributeError:
-                self.fail(
-                    "The session object did not save properly. "
-                    "Middleware may be saving cache items without namespaces."
-                )
+            session.save()
             self.assertNotEqual(session.session_key, '1')
             self.assertIsNone(session.get('cat'))
             session.delete()