diff --git a/tools/debug_helper.sh b/tools/debug_helper.sh
new file mode 100755
index 00000000..b80b10cf
--- /dev/null
+++ b/tools/debug_helper.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+TMP_DIR=`mktemp -d` || exit 1
+trap "rm -rf $TMP_DIR" EXIT
+
+ALL_TESTS=$TMP_DIR/all_tests
+TESTS_TO_RUN=$TMP_DIR/ksc_to_run
+
+python -m testtools.run discover -t ./ ./keystoneclient/tests --list > $ALL_TESTS
+
+if [ "$1" ]
+then
+    grep "$1" < $ALL_TESTS > $TESTS_TO_RUN
+else
+    mv $ALL_TESTS $TESTS_TO_RUN
+fi
+
+python -m testtools.run discover --load-list $TESTS_TO_RUN
diff --git a/tox.ini b/tox.ini
index 238d7e0c..94065be6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -29,6 +29,11 @@ commands = python setup.py testr --coverage --testr-args='{posargs}'
 [tox:jenkins]
 downloadcache = ~/cache/pip
 
+[testenv:debug]
+
+commands =
+ {toxinidir}/tools/debug_helper.sh {posargs}
+
 [flake8]
 # F821: undefined name
 # H304: no relative imports