diff --git a/src/core/rkd/core/api/testing.py b/src/core/rkd/core/api/testing.py
index 460277c3..61356d2b 100644
--- a/src/core/rkd/core/api/testing.py
+++ b/src/core/rkd/core/api/testing.py
@@ -76,6 +76,8 @@ class BasicTestingCase(TestCase):
     _cwd = None
 
     def setUp(self) -> None:
+        os.environ['RKD_PATH'] = ''
+
         self._envs = deepcopy(os.environ)
         self._cwd = os.getcwd()