public void testUpdateForRegionOfPreference1() {
   FakeRenderRequest request = new FakeRenderRequest();
   String[] values = {"CCO"};
   request.loadPortletPreferences(IPortletConstants.PREF_SEARCHREGION, values);
   FakeSearchPortletHelper helper = new FakeSearchPortletHelper(request);
   String updatedKeyword = helper.updateForRegionOfPreference("medical");
   Assert.assertNotNull(updatedKeyword);
 }
 /** Test for not NULL rop value */
 public void testFetchROP1() {
   FakeRenderRequest request = new FakeRenderRequest();
   String[] values = {"CCO"};
   request.loadPortletPreferences(IPortletConstants.PREF_SEARCHREGION, values);
   FakeSearchPortletHelper helper = new FakeSearchPortletHelper(request);
   String rop = helper.fetchROP();
   Assert.assertNotNull(rop);
 }