diff -r 000000000000 -r 6474c204b198 mobile/android/tests/background/junit3/src/sync/helpers/ExpectFetchSinceDelegate.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/tests/background/junit3/src/sync/helpers/ExpectFetchSinceDelegate.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,47 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+package org.mozilla.gecko.background.sync.helpers;
+
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertTrue;
+
+import java.util.Arrays;
+
+import org.mozilla.gecko.sync.repositories.domain.Record;
+
+import junit.framework.AssertionFailedError;
+
+public class ExpectFetchSinceDelegate extends DefaultFetchDelegate {
+  private String[] expected;
+  private long earliest;
+
+  public ExpectFetchSinceDelegate(long timestamp, String[] guids) {
+    expected = guids;
+    earliest = timestamp;
+    Arrays.sort(expected);
+  }
+
+  @Override
+  public void onFetchCompleted(final long fetchEnd) {
+    AssertionFailedError err = null;
+    try {
+      int countSpecials = 0;
+      for (Record record : records) {
+        // Check if record should be ignored.
+        if (!ignore.contains(record.guid)) {
+          assertFalse(-1 == Arrays.binarySearch(this.expected, record.guid));
+        } else {
+          countSpecials++;
+        }
+        // Check that record is later than timestamp-earliest.
+        assertTrue(record.lastModified >= this.earliest);
+      }
+      assertEquals(this.expected.length, records.size() - countSpecials);
+    } catch (AssertionFailedError e) {
+      err = e;
+    }
+    performNotify(err);
+  }
+}