assertTrue("Field " + field + " should be found", queryFieldConfig.isSortField(field));
        }

        // Test negative cases
        assertFalse(queryFieldConfig.isSortField("nonexistent"));
        assertFalse(queryFieldConfig.isSortField("title"));
        assertFalse(queryFieldConfig.isSortField(""));
        assertFalse(queryFieldConfig.isSortField(null));
    }

    /**

        TestCorsHandler handler = new TestCorsHandler("example-handler");
        corsHandlerFactory.add(origin, handler);

        // Execute
        CorsHandler result = corsHandlerFactory.get("https://nonexistent.com");

        // Verify
        assertNull(result);
    }

    @Test
    public void test_add_overwriteExistingOrigin() {
        // Setup
        String origin = "https://example.com";

            @Override
            public String getSsoType() {
                return "none";
            }
        });
        final OsddHelper osddHelper = new OsddHelper();
        osddHelper.setOsddPath("osdd/nonexistent.xml");
        osddHelper.init();
        assertFalse(osddHelper.hasOpenSearchFile());

        try {
            osddHelper.asStream();
            fail("Should throw exception when osddFile is null");

        thread.start();
        thread.join(1000);

        assertTrue(thread.contains("exact line"));
        assertTrue(thread.contains("another line"));
        assertFalse(thread.contains("nonexistent"));
    }

    @Test
    public void test_contains_withTrimming() throws InterruptedException {
        String input = "  trimmed line  \n\tanother\t";

    @Test
    public void test_provide_notFound() {
        // Test with various classification names that should not be found
        assertProvideThrowsException("TestClassification");
        assertProvideThrowsException("NonExistent");
        assertProvideThrowsException("");
        assertProvideThrowsException("Some.Classification");
        assertProvideThrowsException("Project.TestClassification");
    }

    @Test

    }

    @Test
    public void test_replaceUrl_withNonExistentSessionId() {
        final String url = "file:///home/user/";
        assertEquals(url, pathMappingHelper.replaceUrl("nonexistent", url));
    }

    @Test
    public void test_replaceUrl_withEmptyList() {
        final String sessionId = "test";
        final List<PathMapping> pathMappingList = new ArrayList<PathMapping>();

        // Test that Files.deleteIfExists doesn't throw on non-existing file
        Path tempDir = Files.createTempDirectory("toctou_test");
        try {
            Path nonExistingFile = tempDir.resolve("non_existing.tmp");
            assertFalse(Files.exists(nonExistingFile));

            // Should return false without throwing exception
            boolean deleted = Files.deleteIfExists(nonExistingFile);

        assertNotNull(authenticator);
        assertEquals(testAuthenticator, authenticator);
    }

    @Test
    public void test_getAuthenticator_whenComponentDoesNotExist() {
        currentSsoType = "nonexistent";
        ssoManager = new SsoManager() {
            @Override
            protected String getSsoType() {
                return currentSsoType;
            }
        };

        }
    }

    @Test
    public void test_writeThreadDump_withInvalidPath() {
        // Test with invalid file path (directory that doesn't exist)
        String invalidPath = "/nonexistent/directory/thread-dump.txt";

        try {
            ThreadDumpUtil.writeThreadDump(invalidPath);
            // Should not throw exception but log warning
        } catch (Exception e) {

    @Test
    public void test_getParamValueArray_withNullParam() {
        MockHttpServletRequest request = new MockHttpServletRequest();
        String[] result = SearchRequestParams.getParamValueArray(request, "nonexistent");
        assertEquals(0, result.length);
    }

    @Test
    public void test_getParamValueArray_withBlankValues() {
        MockHttpServletRequest request = new MockHttpServletRequest();