diff --git a/.circleci/config.yml b/.circleci/config.yml
index 01242a41d15b8..86f8552b477cd 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -55,6 +55,12 @@ jobs:
             if [[ -n $(grep datastore ~/target_packages) ]]; then
               nox -f datastore/nox.py
             fi
+      - run:
+          name: Run tests - google.cloud.dlp
+          command: |
+            if [[ -n $(grep dlp ~/target_packages)  ]]; then
+              nox -f dlp/nox.py
+            fi
       - run:
           name: Run tests - google.cloud.dns
           command: |
diff --git a/dlp/nox.py b/dlp/nox.py
index 0f6bd713afbe2..25e7fc7ee5048 100644
--- a/dlp/nox.py
+++ b/dlp/nox.py
@@ -15,6 +15,7 @@
 from __future__ import absolute_import
 
 import nox
+import os
 
 
 @nox.session
@@ -25,12 +26,16 @@ def unit_tests(session, python_version):
     # Run unit tests against all supported versions of Python.
     session.interpreter = 'python{}'.format(python_version)
 
+    # Set the virtualenv dirname.
+    session.virtualenv_dirname = 'unit-' + python_version
+
     # Install all test dependencies, then install this package in-place.
     session.install('mock', 'pytest', 'pytest-cov')
     session.install('-e', '.')
 
     # Run py.test against the unit tests.
-    session.run('py.test', '--quiet', 'tests/')
+    session.run('py.test', '--quiet', 'tests/unit/')
+
 
 @nox.session
 def lint_setup_py(session):