diff --git a/engine/settings/ci-test.py b/engine/settings/ci-test.py
index 3cc2c35a..5c724cd7 100644
--- a/engine/settings/ci-test.py
+++ b/engine/settings/ci-test.py
@@ -27,4 +27,4 @@ TWILIO_AUTH_TOKEN = "dummy_twilio_auth_token"
 
 FEATURE_EXTRA_MESSAGING_BACKENDS_ENABLED = True
 EXTRA_MESSAGING_BACKENDS = ["apps.base.tests.messaging_backend.TestOnlyBackend"]
-OSS = True
+INSTALLED_APPS += ["apps.oss_installation"]  # noqa