private static final int KEY_TYPE_1 = 1;
    private static final int KEY_TYPE_2 = 2;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
    }

    /**
     * Test constructor with a valid login context.
     *
     * @throws LoginException if login fails.
     */
    @Test
    void testConstructor_Success() throws LoginException {

    void testSingletonInstance() {
        MonotonicClock clock1 = MonotonicClock.get();
        MonotonicClock clock2 = MonotonicClock.get();

        assertSame(clock1, clock2, "Multiple calls to get() should return the same instance");
    }

    @Test
    @DisplayName("MonotonicClock should always use UTC timezone")
    void testClockTimezone() {

    }

    // Helper methods to write numbers to byte array in little-endian format.
    private void writeInt2(int val, byte[] dst, int dstIndex) {
        dst[dstIndex++] = (byte) val;
        dst[dstIndex++] = (byte) (val >> 8);
    }

    private void writeInt4(int val, byte[] dst, int dstIndex) {
        dst[dstIndex++] = (byte) val;
        dst[dstIndex++] = (byte) (val >> 8);

    }

    private void checkVertices(int nVertices) {
        if (vertices == null) {
            vertices = new TreeSet<>();
        }
    }

    private void checkEdges() {
        int count = DEFAULT_EDGES;

        if (vertices != null) {
            count = vertices.size() + vertices.size() / 2;
        }

        checkEdges(count);
    }

    private void checkEdges(int nEdges) {

    /**
     * Test constructor.
     */
    @Test
    void testConstructor() {
        SmbComDeleteDirectory sdd = new SmbComDeleteDirectory("testDir");
        assertEquals("testDir", sdd.path);
        assertEquals(ServerMessageBlock.SMB_COM_DELETE_DIRECTORY, sdd.command);
    }

    /**
     * Test writeParameterWordsWireFormat.
     */
    @Test
    void testWriteParameterWordsWireFormat() {

     */
    @Test
    void testConstructorWithValidData() {
        // A byte array with a length less than 32 should be considered valid.
        byte[] validData = new byte[31];
        assertDoesNotThrow(() -> new PacCredentialType(validData));
    }

    /**
     * Tests the constructor with a null byte array, which should throw an exception.
     */
    @Test
    void testConstructorWithNullData() {

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        StandardCrawlerContainer container = new StandardCrawlerContainer().singleton("htmlExtractor", HtmlExtractor.class);
        htmlExtractor = container.getComponent("htmlExtractor");
        htmlExtractor.addMetadata("title", "//TITLE");
    }

    public void test_getHtml_utf8() {

        return took;
    }

    public void setTook(long took) {
        this.took = took;
    }

    public int getTotalShards() {
        return totalShards;
    }

    public void setTotalShards(int totalShards) {
        this.totalShards = totalShards;
    }

    public int getSuccessfulShards() {
        return successfulShards;
    }

    public void setSuccessfulShards(int successfulShards) {

                throw (CIFSException) e;
            }
            throw new CIFSException("Circuit breaker operation failed", e);
        }
    }

    private void onSuccess() {
        onSuccess(0);
    }

    private void onSuccess(long responseTimeMs) {
        State currentState = state.get();
        totalSuccesses.incrementAndGet();
        consecutiveSuccesses.incrementAndGet();

    @Mock
    private SmbResource mockResource1;

    @Mock
    private SmbResource mockResource2;

    @Mock
    private SmbResource mockResource3;

    @BeforeEach
    void setUp() {
        lenient().when(mockFileEntry1.getName()).thenReturn("file1.txt");
        lenient().when(mockFileEntry2.getName()).thenReturn("file2.txt");
        lenient().when(mockFileEntry3.getName()).thenReturn("file3.txt");