diff --git a/.stestr.conf b/.stestr.conf
index 6a6b6f120..875bb1461 100644
--- a/.stestr.conf
+++ b/.stestr.conf
@@ -1,3 +1,3 @@
 [DEFAULT]
-test_path=./neutronclient/tests/unit
+test_path=${OS_TEST_PATH:-./neutronclient/tests/unit}
 top_dir=./
diff --git a/neutronclient/tests/functional/base.py b/neutronclient/tests/functional/base.py
index d92d6936d..655c6c4f8 100644
--- a/neutronclient/tests/functional/base.py
+++ b/neutronclient/tests/functional/base.py
@@ -76,7 +76,5 @@ class ClientTestBase(base.ClientTestBase):
 
     def is_extension_enabled(self, extension_alias):
         extensions = self.parser.listing(self.neutron('ext-list'))
-        for extension in extensions:
-            if extension_alias in extension['alias']:
-                return True
-        return False
+        aliases = [e['alias'] for e in extensions]
+        return extension_alias in aliases