assertNotNull(updater);
    }

    // Test execute with empty list
    @Test
    public void test_execute_emptyList() {
        String result = scoreUpdater.execute();
        assertEquals("", result);
    }

    // Test execute with single booster
    @Test
    public void test_execute_singleBooster() {
        TestScoreBooster booster = new TestScoreBooster(100L);

import static org.junit.jupiter.api.Assertions.assertNotSame;

import org.codelibs.fess.unit.UnitFessTestCase;
import org.junit.jupiter.api.Test;

public class FessUserNotFoundExceptionTest extends UnitFessTestCase {

    @Test
    public void test_constructor_withValidUsername() {
        // Test with a normal username
        String username = "testuser";
        FessUserNotFoundException exception = new FessUserNotFoundException(username);

    }

    @Test
    public void test_setUserInfoCacheSize() {
        int cacheSize = 5000;
        searchLogHelper.setUserInfoCacheSize(cacheSize);
        assertEquals(cacheSize, searchLogHelper.userInfoCacheSize);
    }

    @Test
    public void test_setLoggerName() {
        String loggerName = "test.logger";
        searchLogHelper.setLoggerName(loggerName);

        // Test reflexivity
        assertTrue(item1.equals(item1));

        // Test symmetry and arrays with different order
        assertTrue(item1.equals(item2));
        assertTrue(item2.equals(item1));

        // Test with different inputs
        assertFalse(item1.equals(item3));
        assertFalse(item3.equals(item1));

        // Test with different output

    }

    @Test
    public void test_delete() {
        // Test delete method
        User user = createTestUser("testuser", "password123");

        ldapChain.delete(user);

        assertEquals(user, testLdapManager.deletedUser);
        assertTrue(testLdapManager.deleteCalled);
    }

    @Test
    public void test_delete_withNullUser() {
        // Test delete with null user

        super.setUp(testInfo);
        authenticationManager = new AuthenticationManager();
    }

    // Test default constructor
    @Test
    public void test_constructor() {
        AuthenticationManager manager = new AuthenticationManager();
        assertNotNull(manager);
    }

    // Test insert with no chains
    @Test
    public void test_insert_noChains() {
        User user = createTestUser("testuser");

        assertEquals("org.codelibs.fess.test", events.get(0).getLoggerName());
        assertEquals("test error message", events.get(0).getMessage());
        assertNull(events.get(0).getThrowable());
    }

    @Test
    public void test_append_warnEvent_withErrorLevel() {
        final LogEvent event = createLogEvent(Level.WARN, "org.codelibs.fess.test", "test warn message");
        appender.append(event);

        form.id = "test-id";
        form.seqNo = 1L;
        form.primaryTerm = 1L;
        form.crudMode = CrudMode.EDIT;

        assertEquals("test-id", form.id);
        assertEquals(1L, form.seqNo.longValue());
        assertEquals(1L, form.primaryTerm.longValue());
        assertEquals(CrudMode.EDIT, form.crudMode.intValue());
    }

    @Test
    public void test_deleteForm_fields() {

        assertEquals(0L, dictionaryItem.getId());
    }

    @Test
    public void test_getId_afterSetting() {
        // Test getting ID after setting it
        dictionaryItem.id = 123L;
        assertEquals(123L, dictionaryItem.getId());
    }

    @Test
    public void test_getId_negativeValue() {
        // Test with negative ID value
        dictionaryItem.id = -456L;

    }

    // Test available() method
    @Test
    public void test_available_withNoneSsoType() {
        currentSsoType = Constants.NONE;
        assertFalse(ssoManager.available());
    }

    @Test
    public void test_available_withValidSsoType() {
        currentSsoType = "saml";
        assertTrue(ssoManager.available());
    }

    @Test
    public void test_available_withEmptySsoType() {