% git diff tox.ini 
diff --git a/tox.ini b/tox.ini
index e79ea6a..72d4176 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py3, flake8, xenial
+envlist = py27, py3, flake8, xenial, citest
 recreate = True
 
 [testenv]
@@ -64,6 +64,39 @@ deps =
     flake8==2.5.4
     hacking==0.10.2
 
+[testenv:citest]
+basepython = python3
+commands = {envpython} -m tests.cloud_tests run -v -n xenial -t {posargs:tests/cloud_tests/configs/modules/ntp_servers.yaml}
+deps =
+    # requirements
+    jinja2==2.8
+    pyyaml==3.11
+    PrettyTable==0.7.2
+    oauthlib==1.0.3
+    pyserial==3.0.1
+    configobj==5.0.6
+    requests==2.9.1
+    # jsonpatch ubuntu is 1.10, not 1.19 (#839779)
+    jsonpatch==1.10
+    six==1.10.0
+    # test-requirements
+    httpretty==0.8.6
+    mock==1.3.0
+    nose==1.3.7
+    unittest2==1.1.0
+    contextlib2==0.5.1
+    pep8==1.7.0
+    pyflakes==1.1.0
+    flake8==2.5.4
+    hacking==0.10.2
+    pylxd==2.1.3
+    babel==1.3
+    python-dateutil==2.4.2
+    pbr==1.8.0
+    pyOpenSSL==0.15.1
+    requests-unixsocket==0.1.5
+    ws4py==0.3.4
+