// The request should be properly created - we can't easily verify headers without mocking framework
    }

    @Test
    public void test_post() {
        setupMockConfig("localhost:9200", "", "");

        curlHelper.init();
        CurlRequest request = curlHelper.post("/test");

        assertNotNull(request);
        // The request should be properly created
    }

    @Test

        assertEquals("query:", Constants.FACET_QUERY_PREFIX);
    }

    @Test
    public void test_unicode_base64_encoding() {
        // Test that unicode strings are properly encoded/decoded
        String unicodeString = "日本語テスト";
        String encoded = BaseEncoding.base64().encode(unicodeString.getBytes(StandardCharsets.UTF_8));

    assertFalse(future.set(23));
    assertFalse(future.setException(new Exception("bar")));
    assertFalse(future.setFuture(SettableFuture.create()));
    // Check that the future has been set properly.
    assertTrue(future.isDone());
    assertFalse(future.isCancelled());
    assertEquals(42, (int) future.get());
  }

  public void testSetException() throws Exception {

        assertEquals("Root cause", exception.getCause().getCause().getMessage());
    }

    @Test
    public void test_serialVersionUID() {
        // Test that serialVersionUID is properly set
        CommandExecutionException exception1 = new CommandExecutionException("Test");
        CommandExecutionException exception2 = new CommandExecutionException("Test");

        assertSame(firstCall, secondCall);
        assertEquals(type, firstCall);
    }

    @Test
    public void test_inheritanceFromFessSystemException() {
        // Test that InvalidAccessTokenException is properly inherited from FessSystemException
        String type = "SessionToken";
        String message = "Session expired";
        InvalidAccessTokenException exception = new InvalidAccessTokenException(type, message);

        assertEquals("org.apache.lucene.queryparser.classic.ParseException: " + errorMessage, queryParseException.getMessage());
    }

    @Test
    public void test_getCause() {
        // Test that the cause is properly set and retrievable
        ParseException parseException = new ParseException("Query parsing failed");
        QueryParseException queryParseException = new QueryParseException(parseException);

        assertNotNull(crawlerEngineClient);
    }

    // Test inheritance
    @Test
    public void test_inheritance() {
        // Test that CrawlerEngineClient is properly inherited
        assertTrue(crawlerEngineClient instanceof org.codelibs.fess.crawler.client.FesenClient);
    }

    // Test multiple instances
    @Test
    public void test_multipleInstances() {

            assertEquals("Resource not found: non/existent/resource.json", e.getMessage());
            // Test passes - exception was thrown as expected
        }
    }

    /**
     * Test that resource content is properly read using readAllBytes.
     * Verifies that the new implementation correctly reads entire resource content.
     */
    @Test
    public void testResourceReading_readAllBytesCorrectness() throws Exception {

        assertEquals(rootCause, topException.getCause().getCause());
    }

    @Test
    public void test_serialVersionUID() {
        // Test that serialVersionUID is properly defined
        SsoProcessException exception1 = new SsoProcessException("Test");
        SsoProcessException exception2 = new SsoProcessException("Test");

        // Both instances should be of the same class

        assertNotNull(causeStackTrace);
        assertTrue(causeStackTrace.length > 0);
    }

    @Test
    public void test_throwAndCatch() {
        // Test that the exception can be thrown and caught properly
        ServletException originalException = new ServletException("Throw test");

        try {
            throw new ServletRuntimeException(originalException);
        } catch (ServletRuntimeException caught) {