diff --git a/test-requirements.txt b/test-requirements.txt
index 3a10a63..573ce34 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -16,6 +16,7 @@ sphinx>=1.1.2,<1.2
 sphinxcontrib_issuetracker
 testrepository>=0.0.17
 testtools>=0.9.34,<0.9.36
+tempest-lib>=0.1.0
 
 scripttest
 # NOTE(rpodolyaka): This version identifier is currently necessary as
diff --git a/tools/pretty_tox.sh b/tools/pretty_tox.sh
new file mode 100755
index 0000000..794ff12
--- /dev/null
+++ b/tools/pretty_tox.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+# return nonzero exit status of rightmost command, so that we
+# get nonzero exit on test failure without halting subunit-trace
+set -o pipefail
+
+
+TESTRARGS=$1
+
+python setup.py testr --testr-args="--subunit $TESTRARGS  --concurrency=1" | subunit-trace -f
+retval=$?
+# NOTE(mtreinish) The pipe above would eat the slowest display from pbr's testr
+# wrapper so just manually print the slowest tests
+echo -e "\nSlowest Tests:\n"
+testr slowest
+exit $retval
diff --git a/tox.ini b/tox.ini
index f272695..57dedd3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,12 +5,12 @@ envlist = py26,py27,py26sa07,py27sa07,py26sa08,py27sa08,py26sa09,py27sa09,py33,p
 
 [testenv]
 usedevelop = True
+whitelist_externals = bash
 install_command = pip install {opts} {packages}
 setenv = VIRTUAL_ENV={envdir}
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-commands =
-  python setup.py testr --slowest --testr-args='{posargs} --concurrency=1'
+commands = bash tools/pretty_tox.sh '{posargs}'
 
 [testenv:py26]
 deps = sqlalchemy>=0.9