diff --git a/tox.ini b/tox.ini
index 8ba37701..ece24bbd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,6 +25,17 @@ deps = setuptools<3.2
        -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 
+[testenv:debug]
+commands = oslo_debug_helper -t magnumclient/tests {posargs}
+
+[testenv:debug-py27]
+basepython = python2.7
+commands = oslo_debug_helper -t magnumclient/tests {posargs}
+
+[testenv:debug-py34]
+basepython = python3.4
+commands = oslo_debug_helper -t magnumclient/tests {posargs}
+
 [testenv:pep8]
 commands = flake8