}

    @Test
    public void test_sortField() {
        final String query = new QueryStringBuilder().params(createSimpleParams("test")).sortField("score").build();
        assertEquals("test sort:score", query);

        final String queryWithoutSort = new QueryStringBuilder().params(createSimpleParams("test")).build();
        assertEquals("test", queryWithoutSort);
    }

    @Test

    private static final String CURL_HELPER = "curlHelper";

    private static final String COORDINATOR_HELPER = "coordinatorHelper";

    private static final String QUERY_STRING_BUILDER = "queryStringBuilder";

    private static final String ACCESS_TOKEN_HELPER = "accessTokenHelper";

    private static final String RATE_LIMIT_HELPER = "rateLimitHelper";