diff --git a/.gitignore b/.gitignore
index c71f9eaf..476c0d97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,6 +29,7 @@ cover/
 nosetests.xml
 .testrepository
 .venv
+.stestr/
 
 # Translations
 *.mo
diff --git a/.stestr.conf b/.stestr.conf
new file mode 100644
index 00000000..9aa8d091
--- /dev/null
+++ b/.stestr.conf
@@ -0,0 +1,3 @@
+[DEFAULT]
+test_path=./validations_libs/tests
+top_dir=./
diff --git a/.testr.conf b/.testr.conf
deleted file mode 100644
index 6d83b3c4..00000000
--- a/.testr.conf
+++ /dev/null
@@ -1,7 +0,0 @@
-[DEFAULT]
-test_command=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
-             OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
-             OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-60} \
-             ${PYTHON:-python} -m subunit.run discover -t ./ . $LISTOPT $IDOPTION
-test_id_option=--load-list $IDFILE
-test_list_option=--list
diff --git a/lower-constraints.txt b/lower-constraints.txt
index 2728b677..a286a1d5 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -104,6 +104,7 @@ smmap2==2.0.3
 snowballstemmer==1.2.1
 Sphinx==1.8.0
 sphinxcontrib-websupport==1.0.1
+stestr==1.0.0
 stevedore==1.28.0
 tenacity==5.0.1
 testrepository==0.0.18
diff --git a/test-requirements.txt b/test-requirements.txt
index 20d9c64b..b843aee7 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,7 +9,7 @@ coverage!=4.4,>=4.0 # Apache-2.0
 python-subunit>=1.0.0 # Apache-2.0/BSD
 sphinx>=1.8.0,<2.0.0;python_version=='2.7' # BSD
 sphinx>=1.8.0,!=2.1.0;python_version>='3.4' # BSD
-testrepository>=0.0.18 # Apache-2.0/BSD
+stestr>=1.0.0 # Apache-2.0
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT
 pre-commit # MIT
diff --git a/tox.ini b/tox.ini
index 3552c6a2..d6342e9f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,9 @@ setenv =
   # paramiko CryptographyDeprecationWarning: https://github.com/ansible/ansible/issues/52598
   PYTHONWARNINGS=ignore:DEPRECATION::pip._internal.cli.base_command,ignore::UserWarning
   PIP_DISABLE_PIP_VERSION_CHECK=1
-commands = python setup.py test --slowest --testr-args='{posargs}'
+commands =
+  stestr run {posargs}
+  stestr slowest
 sitepackages = True
 deps =
     -c {env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/master/upper-constraints.txt}