@Test
 public void testGetNullSuggestion() throws Exception {
   String result = suggestService.getMostLikelySuggestions("apple phone");
   PostSearchAssert.assertEquals(result, null);
 }
 @Test
 public void testGetMostLikelySuggestions() throws Exception {
   String result = suggestService.getMostLikelySuggestions("aple juize");
   PostSearchAssert.assertEquals(result, "apple juice");
 }