@Test
public void testGetFacetsResponseWithEmptyResponseDto()
{

    ElasticsearchResponseDto elasticsearchResponseDto = new ElasticsearchResponseDto();
    List<Facet> facets =
        elasticsearchHelper.getFacetsResponse(elasticsearchResponseDto, BUSINESS_OBJECT_DEFINITION_SEARCH_INDEX_NAME, TAG_SEARCH_INDEX_NAME);
    assertThat("Facet size is not equal to 0.", facets.size(), equalTo(0));
}