Use unittest2.TestSuite with py26
The tempest master branch with tox -efull with py26 command,
produces a lot of tierDownClass failures,
because it tries to tearDown an already tearDowned class.
By switching to unittest2.TestSuite the issue is solved.
Change-Id: I7a5d21af62bafb13cdc8a0dcc20ed3f742aa214f
diff --git a/tempest/test_discover/test_discover.py b/tempest/test_discover/test_discover.py
index 87fdbdc..3fbb8e1 100644
--- a/tempest/test_discover/test_discover.py
+++ b/tempest/test_discover/test_discover.py
@@ -13,7 +13,12 @@
# under the License.
import os
-import unittest
+import sys
+
+if sys.version_info >= (2, 7):
+ import unittest
+else:
+ import unittest2 as unittest
def load_tests(loader, tests, pattern):