diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..e21094e
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,7 @@
+[run]
+branch = True
+source = virtualbmc
+omit = virtualbmc/tests/*
+
+[report]
+ignore_errors = True
diff --git a/.gitignore b/.gitignore
index 398155f..e93cbec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,6 +28,7 @@ cover
 .tox
 nosetests.xml
 .testrepository
+.stestr
 .venv
 
 # Translations
diff --git a/.stestr.conf b/.stestr.conf
new file mode 100644
index 0000000..53b7578
--- /dev/null
+++ b/.stestr.conf
@@ -0,0 +1,3 @@
+[DEFAULT]
+test_path=${TESTS_DIR:-./virtualbmc/tests/unit/}
+top_dir=./
diff --git a/.testr.conf b/.testr.conf
deleted file mode 100644
index 6d83b3c..0000000
--- a/.testr.conf
+++ /dev/null
@@ -1,7 +0,0 @@
-[DEFAULT]
-test_command=OS_STDOUT_CAPTURE=${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/test-requirements.txt b/test-requirements.txt
index d174f56..eb7f437 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -13,7 +13,7 @@ oslotest>=3.2.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT
-os-testr>=1.0.0 # Apache-2.0
+stestr>=1.0.0 # Apache-2.0
 mock>=2.0.0 # BSD
 
 # releasenotes
diff --git a/tox.ini b/tox.ini
index 32e209c..08369f4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,7 +15,9 @@ deps =
     -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
     -r{toxinidir}/test-requirements.txt
     -r{toxinidir}/requirements.txt
-commands = ostestr {posargs}
+commands =
+   stestr run '{posargs}'
+   stestr slowest
 passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
 
 [testenv:pep8]
@@ -30,7 +32,13 @@ commands = {posargs}
 
 [testenv:cover]
 basepython = python3
-commands = python setup.py test --coverage --testr-args='{posargs}'
+setenv = {[testenv]setenv}
+         PYTHON=coverage run --source virtualbmc --parallel-mode
+commands =
+  stestr run {posargs}
+  coverage combine
+  coverage html -d cover
+  coverage xml -o cover/coverage.xml
 
 [testenv:docs]
 basepython = python3