diff -r 000000000000 -r 6474c204b198 mobile/android/tests/background/junit3/src/sync/helpers/DefaultFinishDelegate.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/tests/background/junit3/src/sync/helpers/DefaultFinishDelegate.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,60 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+package org.mozilla.gecko.background.sync.helpers;
+
+import java.util.concurrent.ExecutorService;
+
+import org.mozilla.gecko.background.common.log.Logger;
+import org.mozilla.gecko.sync.repositories.RepositorySession;
+import org.mozilla.gecko.sync.repositories.RepositorySessionBundle;
+import org.mozilla.gecko.sync.repositories.delegates.RepositorySessionFinishDelegate;
+
+public class DefaultFinishDelegate extends DefaultDelegate implements RepositorySessionFinishDelegate {
+
+  @Override
+  public void onFinishFailed(Exception ex) {
+    performNotify("Finish failed", ex);
+  }
+
+  @Override
+  public void onFinishSucceeded(RepositorySession session, RepositorySessionBundle bundle) {
+    performNotify("Hit default finish delegate", null);
+  }
+
+  @Override
+  public RepositorySessionFinishDelegate deferredFinishDelegate(final ExecutorService executor) {
+    final RepositorySessionFinishDelegate self = this;
+
+    Logger.info("DefaultFinishDelegate", "Deferring…");
+    return new RepositorySessionFinishDelegate() {
+      @Override
+      public void onFinishSucceeded(final RepositorySession session,
+                                    final RepositorySessionBundle bundle) {
+        Logger.info("DefaultFinishDelegate", "Executing onFinishSucceeded Runnable…");
+        executor.execute(new Runnable() {
+          @Override
+          public void run() {
+            self.onFinishSucceeded(session, bundle);
+          }});
+      }
+
+      @Override
+      public void onFinishFailed(final Exception ex) {
+        executor.execute(new Runnable() {
+          @Override
+          public void run() {
+            self.onFinishFailed(ex);
+          }});
+      }
+
+      @Override
+      public RepositorySessionFinishDelegate deferredFinishDelegate(ExecutorService newExecutor) {
+        if (newExecutor == executor) {
+          return this;
+        }
+        throw new IllegalArgumentException("Can't re-defer this delegate.");
+      }
+    };
+  }
+}