diff --git a/.testr.conf b/.testr.conf
index a0262d8..fbea056 100644
--- a/.testr.conf
+++ b/.testr.conf
@@ -1,4 +1,5 @@
 [DEFAULT]
-test_command=${PYTHON:-python} -m subunit.run discover -t ./ ./tempest $LISTOPT $IDOPTION
-test_id_option=--load-list $IDFILE
-test_list_option=--list
+test_command=${PYTHON:-python} -m subunit.run $LISTOPT $IDOPTION
+test_id_option=$(${PYTHON:-python} -m tools/run_test_classes $IDFILE)
+test_list_option=discover -t ./ ./tempest --list
+group_regex=([^\.]*\.)*
diff --git a/run_tests.sh b/run_tests.sh
index 366564e..d5081c7 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -11,6 +11,7 @@
   echo "  -u, --update             Update the virtual environment with any newer package versions"
   echo "  -s, --smoke              Only run smoke tests"
   echo "  -w, --whitebox           Only run whitebox tests"
+  echo "  -t, --with-testr         Run using testr instead of nose"
   echo "  -c, --nova-coverage      Enable Nova coverage collection"
   echo "  -C, --config             Config file location"
   echo "  -p, --pep8               Just run pep8"
@@ -26,6 +27,7 @@
 just_pep8=0
 venv=.venv
 with_venv=tools/with_venv.sh
+with_testr=0
 always_venv=0
 never_venv=0
 no_site_packages=0
@@ -37,7 +39,7 @@
 logging=0
 logging_config=etc/logging.conf
 
-if ! options=$(getopt -o VNnfuswcphdSC:lL: -l virtual-env,no-virtual-env,no-site-packages,force,update,smoke,whitebox,nova-coverage,pep8,help,debug,stdout,config:,logging,logging-config: -- "$@")
+if ! options=$(getopt -o VNnfuswtcphdSC:lL: -l virtual-env,no-virtual-env,no-site-packages,force,update,smoke,whitebox,with-testr,nova-coverage,pep8,help,debug,stdout,config:,logging,logging-config: -- "$@")
 then
     # parse error
     usage
@@ -60,6 +62,7 @@
     -p|--pep8) let just_pep8=1;;
     -s|--smoke) noseargs="$noseargs --attr=type=smoke";;
     -w|--whitebox) noseargs="$noseargs --attr=type=whitebox";;
+    -t|--with-testr) with_testr=1;;
     -S|--stdout) noseargs="$noseargs -s";;
     -l|--logging) logging=1;;
     -L|--logging-config) logging_config=$2; shift;;
@@ -105,8 +108,20 @@
   noseargs="$noseargs tempest"
 fi
 
+function testr_init {
+  if [ ! -d .testrepository ]; then
+      ${wrapper} testr init
+  fi
+}
+
 function run_tests {
-  ${wrapper} $NOSETESTS
+  if [ $with_testr -eq 1 ]; then
+      testr_init
+      ${wrapper} find . -type f -name "*.pyc" -delete
+      ${wrapper} testr run --parallel $noseargs
+  else
+      ${wrapper} $NOSETESTS
+  fi
 }
 
 function run_pep8 {
diff --git a/tools/run_test_classes.py b/tools/run_test_classes.py
new file mode 100755
index 0000000..c01b046
--- /dev/null
+++ b/tools/run_test_classes.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+# Copyright 2013 IBM Corp.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import sys
+
+
+def filter_classes(test_ids):
+    test_classes = map(lambda x: x.rsplit('.', 1)[0], test_ids)
+
+    #Remove duplicates from the list
+    uniq_class = {}
+    result = []
+    for test_class in test_classes:
+        if test_class in uniq_class:
+            continue
+        uniq_class[test_class] = 1
+        result.append(test_class)
+    return result
+
+
+def usage():
+    msg = """
+    This command is used to filter out the unique list of test cases (classes)
+    from a list of testr test_ids.
+
+    Usage: run_test_classes.py <test id file>
+          """
+    print(msg)
+    sys.exit(1)
+
+
+def main():
+    if len(sys.argv) == 2:
+        test_list_path = sys.argv[1]
+        test_list_file = open(test_list_path, 'r')
+        test_list = test_list_file.readlines()
+        for test_class in filter_classes(test_list):
+            print test_class
+        test_list_file.close()
+    else:
+        usage()
+
+if __name__ == '__main__':
+    main()
diff --git a/tox.ini b/tox.ini
index ae1b11e..04b845a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,24 +3,16 @@
 
 [testenv]
 setenv = VIRTUAL_ENV={envdir}
-         NOSE_WITH_OPENSTACK=1
-         NOSE_OPENSTACK_COLOR=1
-         NOSE_OPENSTACK_RED=15
-         NOSE_OPENSTACK_YELLOW=3
-         NOSE_OPENSTACK_SHOW_ELAPSED=1
-         NOSE_OPENSTACK_STDOUT=1
+         LANG=en_US.UTF-8
+         LANGUAGE=en_US:en
+         LC_ALL=C
 
 [testenv:all]
 sitepackages = True
 setenv = VIRTUAL_ENV={envdir}
-         NOSE_WITH_OPENSTACK=1
-         NOSE_OPENSTACK_COLOR=1
-         NOSE_OPENSTACK_RED=15
-         NOSE_OPENSTACK_YELLOW=3
-         NOSE_OPENSTACK_SHOW_ELAPSED=1
-         NOSE_OPENSTACK_STDOUT=1
 commands =
-  nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit --xunit-file=nosetests-all.xml -sv tempest
+  python setup.py testr --slowest
+
 
 [testenv:full]
 sitepackages = True
@@ -34,6 +26,12 @@
 commands =
   nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit --xunit-file=nosetests-full.xml -sv tempest/api tempest/scenario tempest/thirdparty tempest/cli
 
+[testenv:testr-full]
+sitepackages = True
+setenv = VIRTUAL_ENV={envdir}
+commands =
+  python setup.py testr --slowest --testr-args='tempest.api tempest.scenario tempest.thirdparty tempest.cli'
+
 [testenv:smoke]
 sitepackages = True
 setenv = VIRTUAL_ENV={envdir}
@@ -46,7 +44,6 @@
 commands =
    nosetests --logging-format '%(asctime)-15s %(message)s' --with-xunit -sv --attr=type=smoke --xunit-file=nosetests-smoke.xml tempest
 
-
 [testenv:coverage]
 sitepackages = True
 setenv = VIRTUAL_ENV={envdir}