diff --git a/test/com/google/enterprise/adaptor/fs/MockAdaptorContext.java b/test/com/google/enterprise/adaptor/fs/MockAdaptorContext.java
index 5749306..5ac7c2a 100644
--- a/test/com/google/enterprise/adaptor/fs/MockAdaptorContext.java
+++ b/test/com/google/enterprise/adaptor/fs/MockAdaptorContext.java
@@ -15,6 +15,7 @@
 package com.google.enterprise.adaptor.fs;
 
 import com.google.enterprise.adaptor.AdaptorContext;
+import com.google.enterprise.adaptor.AsyncDocIdPusher;
 import com.google.enterprise.adaptor.AuthnAuthority;
 import com.google.enterprise.adaptor.AuthzAuthority;
 import com.google.enterprise.adaptor.Config;
@@ -107,4 +108,9 @@
   public void setAuthzAuthority(AuthzAuthority authzAuthority) {
     throw new UnsupportedOperationException();
   }
+
+  @Override
+  public AsyncDocIdPusher getAsyncDocIdPusher() {
+    throw new UnsupportedOperationException();
+  }
 }