assertNotNull(exception);
        assertEquals("", exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "Command failed";
        CommandExecutionException exception = new CommandExecutionException(message, null);

        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNotNull(exception.getCause());
        assertEquals(cause, exception.getCause());
    }

    public void test_constructor_withMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "Dictionary not found";
        DictionaryException exception = new DictionaryException(message, null);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "Plugin error with null cause";
        PluginException exception = new PluginException(message, null);

        SsoLoginException exception = new SsoLoginException(message);

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "SSO configuration error";
        SsoLoginException exception = new SsoLoginException(message, null);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "Test error message";
        SearchEngineClientException exception = new SearchEngineClientException(message, null);

        LdapOperationException exception = new LdapOperationException(message);

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "LDAP error occurred";
        LdapOperationException exception = new LdapOperationException(message, null);

        ScriptEngineException exception = new ScriptEngineException(message);

        assertEquals("", exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "Script error";
        ScriptEngineException exception = new ScriptEngineException(message, null);