// Test that CrawlerEngineClient is properly inherited
        assertTrue(crawlerEngineClient instanceof org.codelibs.fess.crawler.client.FesenClient);
    }

    // Test multiple instances
    public void test_multipleInstances() {
        // Test that multiple instances can be created independently
        CrawlerEngineClient client1 = new CrawlerEngineClient();
        CrawlerEngineClient client2 = new CrawlerEngineClient();

            assertTrue(e.getCause() instanceof FessUserNotFoundException);
            assertEquals("User is not found: testuser", e.getCause().getMessage());
        }
    }

    public void test_multipleInstances() {
        // Test that multiple instances are independent
        FessUserNotFoundException exception1 = new FessUserNotFoundException("user1");

        assertTrue(result.length() > "TransWaitNamedPipeResponse[]".length());
    }

    @Test
    @DisplayName("Multiple instances should be independent")
    void testMultipleInstances() {
        // Arrange
        TransWaitNamedPipeResponse response1 = new TransWaitNamedPipeResponse(mockConfig);
        TransWaitNamedPipeResponse response2 = new TransWaitNamedPipeResponse(mockConfig);

            assertEquals(8388608, response.getTotalBytesWritten()); // 8MB total
        }

        @Test
        @DisplayName("Should create multiple independent instances")
        void testMultipleInstances() throws SMBProtocolDecodingException {
            SrvCopyChunkCopyResponse response1 = new SrvCopyChunkCopyResponse();
            SrvCopyChunkCopyResponse response2 = new SrvCopyChunkCopyResponse();

        assertEquals(5, negotiationDifferentSizes.getResponseRaw().length);
    }

    @Test
    @DisplayName("Test multiple instances do not interfere")
    void testMultipleInstances() {
        // Create another instance with different data
        SmbNegotiationRequest anotherRequest = mock(SmbNegotiationRequest.class);

        assertTrue(result.contains("FessTimeResourceProvider") || result.contains("adjustTimeMillis"));
    }

    // Test multiple provider instances
    public void test_multipleInstances() {
        FessTimeResourceProvider provider1 = new FessTimeResourceProvider(mockConfig);
        FessTimeResourceProvider provider2 = new FessTimeResourceProvider(mockConfig);

        assertNotNull(provider1);

        assertTrue(result.length() > "TransPeekNamedPipeResponse[]".length());
    }

    @Test
    @DisplayName("Multiple instances should be independent")
    void testMultipleInstances() {
        // Arrange
        TransPeekNamedPipeResponse response1 = new TransPeekNamedPipeResponse(mockConfig);
        TransPeekNamedPipeResponse response2 = new TransPeekNamedPipeResponse(mockConfig);