// Should not throw exception
        labels.testAssertPropertyNotNull("test");
        labels.testAssertPropertyNotNull("");
        labels.testAssertPropertyNotNull(" ");
    }

    // Helper class to test protected method
    private static class TestFessLabels extends FessLabels {
        private static final long serialVersionUID = 1L;

        public void testAssertPropertyNotNull(String property) {

import org.codelibs.fess.app.web.api.ApiResult.ApiUpdateResponse;
import org.codelibs.fess.app.web.api.ApiResult.Status;
import org.codelibs.fess.app.web.api.admin.FessApiAdminAction;
import org.codelibs.fess.helper.PermissionHelper;
import org.codelibs.fess.opensearch.config.exentity.LabelType;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.JsonResponse;

        assertSame(user, result);
        assertEquals("modified", user.getName()); // Check that user was modified
        assertTrue(testLdapManager.applyCalled);
    }

    // Helper method to create test user
    private User createTestUser(String username, String password) {
        User user = new User();
        user.setName(username);
        user.setPassword(password);

        response.subCommand = SmbComTransaction.TRANS2_FIND_NEXT2;
        String actual = response.toString();
        assertTrue(actual.startsWith("Trans2FindNext2Response["));
    }

    // Helper methods to write data to byte arrays for testing read methods
    private void writeInt2(int val, byte[] dst, int dstIndex) {
        dst[dstIndex] = (byte) val;
        dst[dstIndex + 1] = (byte) (val >> 8);
    }

import org.codelibs.fess.app.web.api.ApiResult.ApiUpdateResponse;
import org.codelibs.fess.app.web.api.ApiResult.Status;
import org.codelibs.fess.app.web.api.admin.FessApiAdminAction;
import org.codelibs.fess.helper.PermissionHelper;
import org.codelibs.fess.opensearch.config.exentity.FileConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.JsonResponse;

import org.codelibs.fess.crawler.client.CrawlerClientFactory;
import org.codelibs.fess.crawler.client.http.HcHttpClient;
import org.codelibs.fess.crawler.client.http.config.WebAuthenticationConfig;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.opensearch.config.bsentity.BsWebConfig;
import org.codelibs.fess.opensearch.config.exentity.CrawlingConfig.Param.Client;

        }
    }

    // ===================================================================================
    //                                                                      General Helper
    //                                                                      ==============
    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {

        assertTrue(result3.isPresent());
        assertEquals(Locale.GERMANY, result1.get());
        assertEquals(Locale.GERMANY, result2.get());
        assertEquals(Locale.GERMANY, result3.get());
    }

    // Helper method to create mock RequestManager
    private RequestManager createMockRequestManager(final String paramValue) {
        return new org.lastaflute.web.servlet.request.SimpleRequestManager() {
            @Override

              </resources>
            </configuration>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>build-helper-maven-plugin</artifactId>
        <executions>
          <execution>
            <id>attach-gradle-module-metadata</id>
            <goals>
              <goal>attach-artifact</goal>
            </goals>

        super.setUp(testInfo);
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        super.tearDown(testInfo);
    }

    /**
     * Helper method to initialize defaultSettings without calling init()
     * which requires DI container components
     */
    private Map<String, Object> createDefaultSettings() throws Exception {