LdapManager ldapManager = new LdapManager();
        ldapManager.init();

        // Null input should return empty string
        assertEquals("", ldapManager.escapeLDAPSearchFilter(null));
    }

    @Test
    public void test_escapeLDAPSearchFilter_withEmptyString() {
        LdapManager ldapManager = new LdapManager();
        ldapManager.init();

        assertEquals("", ldapManager.escapeLDAPSearchFilter(""));

    <filter-class>org.apache.catalina.filters.HttpHeaderSecurityFilter</filter-class>
    <init-param>
      <param-name>blockContentTypeSniffingEnabled</param-name>
      <param-value>true</param-value>
    </init-param>
    <init-param>
      <param-name>hstsEnabled</param-name>
      <param-value>false</param-value>
    </init-param>
    <init-param>
      <param-name>antiClickJackingEnabled</param-name>

                return false;
            }

            @Override
            public boolean isLdapIgnoreNetbiosName() {
                return false;
            }
        });
        sambaHelper.init();

        assertEquals("1Test User", sambaHelper.getAccountId(USER_SID));

    }

    @Test
    public void test_smb_account_lowercase() throws SmbException {

            }
        });
        final OsddHelper osddHelper = new OsddHelper();
        osddHelper.setOsddPath("osdd/osdd.xml");
        osddHelper.init();
        assertTrue(osddHelper.hasOpenSearchFile());

        osddHelper.init();
        assertTrue(osddHelper.hasOpenSearchFile());
    }

    @Test
    public void test_init_disabled_then_enabled() {

        ViewHelper viewHelper = new ViewHelper();
        viewHelper.init();

        try {
            assertNotNull(viewHelper.createHighlightInfo());
        } catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test
    public void test_updateHighlightInfo() {
        ViewHelper viewHelper = new ViewHelper();
        viewHelper.init();

        HighlightInfo highlightInfo = new HighlightInfo();

            }
        };
        manager.init();
        assertTrue(manager.baseDir.exists());
        manager.destroy();
    }

    // Test initialization failure
    @Test
    public void test_init_failure() {
        ThumbnailManager manager = new ThumbnailManager() {
            @Override
            public void init() {

          "versioned-cache"
        ],
        "parallelizationMethod": {
          "name": "TestDistribution"
        }
      },
      {
        "subprojects": [
          "build-init-specs",
          "build-option",
          "configuration-cache-base",
          "file-temp",
          "internal-testing",
          "io",
          "kotlin-dsl-provider-plugins",
          "language-java",

        // init() registers a TimeoutTarget with TimeoutManager
        helper.init();
        // destroy() cancels the task and flushes; should not throw
        helper.destroy();
    }

    @Test
    public void test_destroy_beforeInit() {
        LogNotificationHelper helper = new LogNotificationHelper();
        // destroy() without init() should not throw NPE because of null checks

            // Use existing config from setUp and just override what we need to test
            queryFieldConfig = new QueryFieldConfig() {
                @Override
                public void init() {
                    super.init();
                    // Add test-specific fields to notAnalyzedFieldSet
                    notAnalyzedFieldSet.add("field1");
                    notAnalyzedFieldSet.add("field2");

            return result;
        }
    }

    private class TestableIndexUpdateCallbackImpl extends IndexUpdateCallbackImpl {
        @PostConstruct
        @Override
        public void init() {
            // Override init to use our test config directly
            maxDocumentRequestSize = 1048576L;
            maxDocumentCacheSize = 10000;
            // Set ingestFactory using reflection since it's private