SuggestItem item = new SuggestItem(text, readings, null, 0L, 0L, 1.0f, null, null, null, SuggestItem.Kind.USER);

        // Test text
        item.setText("sample text");
        assertEquals("sample text", item.getText());

        // Test timestamp
        ZonedDateTime now = ZonedDateTime.now();
        item.setTimestamp(now);
        assertEquals(now, item.getTimestamp());

                new String[0], new String[0], SuggestItem.Kind.DOCUMENT);
        // Set text to null after construction
        item.setText(null);
        item.setTimestamp(ZonedDateTime.now());
        SuggestUtil.createBulkLine("test_index", "_doc", item);
    }

    @Test
    public void testCreateBulkLineWithMultipleReadings() {

     */
    public ZonedDateTime getTimestamp() {
        return timestamp;
    }

    /**
     * Sets the text of the suggest item.
     * @param text The text to set.
     */
    public void setText(final String text) {
        this.text = text;
    }

    /**
     * Sets the timestamp of the suggest item.
     * @param timestamp The timestamp to set.
     */

        }

        @Test
        @DisplayName("getNext should return next request")
        void testGetNext() {
            TestServerMessageBlock2Request nextRequest = new TestServerMessageBlock2Request(mockConfig);
            testRequest.setNext(nextRequest);

            ServerMessageBlock2Request<?> result = testRequest.getNext();

            assertSame(nextRequest, result);
        }

            super(config, command);
        }

        @Override
        public ServerMessageBlock2 getNext() {
            return nextBlock;
        }

        @Override
        public void setNext(ServerMessageBlock2 next) {
            this.nextBlock = next;
        }

        // Helper methods to manipulate parent's private fields via reflection or protected methods

            assertEquals(second, testMessage.getNext());
            assertEquals(third, second.getNext());
        }

        @Test
        @DisplayName("Should set next message")
        void testSetNext() {
            TestServerMessageBlock2 nextMessage = new TestServerMessageBlock2(mockConfig);
            testMessage.setNext(nextMessage);
            assertEquals(nextMessage, testMessage.getNext());

        try {
            tikaExtractor.getText(in, null);
            fail();
        } catch (final ExtractException e) {
            logger.info(e.getMessage());
        }
    }

    public void test_getTika_tar() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/tar/test.tar");
        final ExtractData extractData = tikaExtractor.getText(in, null);

    }

    @Test
    @DisplayName("Test getNext returns null when no chained message")
    void testGetNextWithNoChainedMessage() {
        // Given
        when(request.getNext()).thenReturn(null);

        // When
        CommonServerMessageBlockRequest result = request.getNext();

        // Then
        assertNull(result);
        verify(request, times(1)).getNext();
    }

            final InputStream trackableStream = createTrackableInputStream(originalStream, streamClosed);
            final ExtractData result = extractor.getText(trackableStream, null);

            assertNotNull(result);
            assertNotNull(result.getContent());
            assertTrue(result.getContent().contains("テスト"));
        }
    }

    /**

    /**
     * Test that ZipExtractor handles null input stream with appropriate error message.
     */
    public void test_ZipExtractor_nullInputStream_throwsWithMessage() {
        try {
            zipExtractor.getText(null, null);
            fail("Expected CrawlerSystemException");
        } catch (final CrawlerSystemException e) {
            assertEquals("The inputstream is null.", e.getMessage());
        }
    }

    /**