diff --git a/server/auth/types/authentication_type.test.ts b/server/auth/types/authentication_type.test.ts
index d3f6026bb..03825216a 100644
--- a/server/auth/types/authentication_type.test.ts
+++ b/server/auth/types/authentication_type.test.ts
@@ -27,6 +27,9 @@ class DummyAuthType extends AuthenticationType {
   isValidCookie() {
     return Promise.resolve(true);
   }
+  refreshAccessToken() {
+    return Promise.resolve('');
+  }
   requestIncludesAuthInfo() {
     return false;
   }