diff --git a/tempest/api/compute/servers/test_servers_negative.py b/tempest/api/compute/servers/test_servers_negative.py
index 5f53080..5cc8dc6 100644
--- a/tempest/api/compute/servers/test_servers_negative.py
+++ b/tempest/api/compute/servers/test_servers_negative.py
@@ -24,12 +24,12 @@
 from tempest.test import attr
 
 
-class ServersNegativeTest(base.BaseComputeTest):
+class ServersNegativeTestJSON(base.BaseComputeTest):
     _interface = 'json'
 
     @classmethod
     def setUpClass(cls):
-        super(ServersNegativeTest, cls).setUpClass()
+        super(ServersNegativeTestJSON, cls).setUpClass()
         cls.client = cls.servers_client
         cls.img_client = cls.images_client
         cls.alt_os = clients.AltManager()
@@ -248,5 +248,5 @@
                           '999erra43')
 
 
-class ServersNegativeTestXML(ServersNegativeTest):
+class ServersNegativeTestXML(ServersNegativeTestJSON):
     _interface = 'xml'
diff --git a/tox.ini b/tox.ini
index caa9403..964dbca 100644
--- a/tox.ini
+++ b/tox.ini
@@ -61,6 +61,14 @@
    nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit --xunit-file=nosetests-full.xml -sv tempest/api tempest/scenario tempest/thirdparty tempest/cli
    python -m tools/tempest_coverage -c report --html {posargs}
 
+[testenv:stress]
+sitepackages = True
+setenv = VIRTUAL_ENV={envdir}
+commands =
+    python -m tempest/stress/run_stress tempest/stress/etc/sample-test.json -d 60
+    python -m tempest/stress/run_stress tempest/stress/etc/volume-create-delete-test.json -d 60
+
+
 [testenv:venv]
 commands = {posargs}
 deps = -r{toxinidir}/requirements.txt