diff --git a/test-requirements.txt b/test-requirements.txt
index 2166ade51..217ccd7da 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -17,3 +17,4 @@ testtools>=0.9.36,!=1.2.0
 testrepository>=0.0.18
 testscenarios>=0.4
 WebTest>=2.0
+tempest-lib>=0.1.0
diff --git a/tools/pretty_tox.sh b/tools/pretty_tox.sh
new file mode 100755
index 000000000..0fc360530
--- /dev/null
+++ b/tools/pretty_tox.sh
@@ -0,0 +1,6 @@
+#! /bin/sh
+
+TESTRARGS=$1
+
+exec 3>&1
+status=$(exec 4>&1 >&3; ( python setup.py testr --slowest --testr-args="--subunit $TESTRARGS"; echo $? >&4 ) | subunit-trace -f) && exit $status
diff --git a/tox.ini b/tox.ini
index 2a525db6c..c20188bb5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,7 +14,9 @@ deps = -r{toxinidir}/requirements.txt
 # Note the hash seed is set to 0 until designate can be tested with a
 # random hash seed successfully.
 setenv = PYTHONHASHSEED=0
-commands = python setup.py testr --slowest --testr-args='{posargs}'
+whitelist_externals = sh
+commands =
+  sh tools/pretty_tox.sh '{posargs}'
 
 [testenv:cover]
 commands = python setup.py testr --coverage --testr-args='{posargs}'