diff --git a/.gitignore b/.gitignore
index c71f9ea..476c0d9 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 0000000..1178528
--- /dev/null
+++ b/.stestr.conf
@@ -0,0 +1,3 @@
+[DEFAULT]
+test_path=./validations_common/tests
+top_dir=./
diff --git a/.testr.conf b/.testr.conf
deleted file mode 100644
index 6d83b3c..0000000
--- 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 7dcfd83..af0c0dc 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==3.0.1
 stevedore==1.28.0
 tenacity==5.0.1
 testrepository==0.0.18
diff --git a/test-requirements.txt b/test-requirements.txt
index 2066973..0b513ef 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,7 @@ hacking>=3.0,<3.1.0 # Apache-2.0
 
 coverage!=4.4,>=4.0 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
-testrepository>=0.0.18 # Apache-2.0/BSD
+stestr>=3.0.1 # Apache-2.0
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT
 reno>=2.5.0 # Apache-2.0
diff --git a/tox.ini b/tox.ini
index 3929ce6..def02da 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,7 +19,9 @@ 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}