// Test with null
        searchRenderData.setExecTime(null);
        assertNull(searchRenderData.getExecTime());

        // Test with empty string
        searchRenderData.setExecTime("");
        assertEquals("", searchRenderData.getExecTime());

        // Test with formatted time string
        searchRenderData.setExecTime("0.123 sec");
        assertEquals("0.123 sec", searchRenderData.getExecTime());

    }

    /**
     * Sets the formatted execution time for the search request.
     *
     * @param execTime The formatted execution time string
     */
    public void setExecTime(final String execTime) {
        this.execTime = execTime;
    }

    /**
     * Sets the number of results per page.
     *
     * @param pageSize The page size
     */

                buf.append("&hq=").append(LaFunctions.u(q));
            });
            data.setAppendHighlightParams(buf.toString());
        }

        queryResponseList.setExecTime(systemHelper.getCurrentTimeAsLong() - startTime);
        final NumberFormat nf = NumberFormat.getInstance(params.getLocale());
        nf.setMaximumIntegerDigits(2);
        nf.setMaximumFractionDigits(2);

        assertEquals(facetResponse, qrList.getFacetResponse());

        // Test setters
        qrList.setSearchQuery("test query");
        assertEquals("test query", qrList.getSearchQuery());

        qrList.setExecTime(1000L);
        assertEquals(1000L, qrList.getExecTime());
    }

    public void test_calculatePageInfo_withOffset() {
        QueryResponseList qrList = new QueryResponseList(null, 10, 20, 5) {

    }

    /**
     * Sets the total execution time for the search request in milliseconds.
     *
     * @param execTime the execution time in milliseconds
     */
    public void setExecTime(final long execTime) {
        this.execTime = execTime;
    }

    /**
     * Gets the facet response containing aggregated search facets and their counts.
     *