Bug 720930 - Robocop: update testBookmark to allow for zero bookmarks; r=jmaher

mobile/android/base/tests/testBookmark.java.in

@@ -3,10 +3,12 @@ package @ANDROID_PACKAGE_NAME@.tests;
 
 import @ANDROID_PACKAGE_NAME@.*;
 import android.widget.TextView;
+import android.os.SystemClock;
 import java.util.ArrayList;
 
 public class testBookmark extends BaseTest {
     private static final String URL = "http://mochi.test:8888/tests/robocop/robocop_blank_02.html";
+    private static final long MAX_WAIT_MS = 10 * 1000; 
 
     public void testBookmark() {
         enterUrl(URL);
@@ -21,8 +23,13 @@ public class testBookmark extends BaseTest {
 
         Actions.EventExpecter contentEventExpecter = mActions.expectGeckoEvent("DOMContentLoaded");
 
+        long waitStart = SystemClock.uptimeMillis();
         ArrayList<TextView> l = null;
         while (l == null || l.size() < 1) {
+            if (SystemClock.uptimeMillis() - waitStart > MAX_WAIT_MS) {
+                mAsserter.dumpLog("testBookmark: timed out waiting for bookmark list -- no bookmarks defined?");
+                return;
+            }
             l = mSolo.clickInList(1);
         }