assertEquals(cause, exception.getCause());
        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
    }

    @Test
    public void test_constructorWithMessage() {
        // Test constructor with message only
        String message = "Search query is invalid";

        SearchQueryException exception = new SearchQueryException(message);

package org.codelibs.fess.exception;

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

public class ThemeExceptionTest extends UnitFessTestCase {

    @Test
    public void test_constructorWithMessage() {
        // Test constructor with message only
        String message = "Theme installation failed";
        ThemeException exception = new ThemeException(message);

        assertNotNull(exception);

        super.setUp(testInfo);
    }

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

    @Test
    public void test_constructorWithMessage() {
        final LlmException exception = new LlmException("Error message");
        assertEquals("Error message", exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test

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

public class ThumbnailGenerationExceptionTest extends UnitFessTestCase {

    @Test
    public void test_constructorWithMessage() {
        // Test constructor with message only
        String message = "Thumbnail generation failed";
        ThumbnailGenerationException exception = new ThumbnailGenerationException(message);

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

public class GsaConfigExceptionTest extends UnitFessTestCase {

    @Test
    public void test_constructorWithMessage() {
        // Test constructor with message only
        String message = "GSA configuration error occurred";
        GsaConfigException exception = new GsaConfigException(message);

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