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

    public void test_constructor_withEmptyMessage() {
        // Test constructor with empty message string
        String type = "JWT";
        String message = "";
        InvalidAccessTokenException exception = new InvalidAccessTokenException(type, message);

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    /**
     * Test constructor with empty message
     */
    public void test_constructor_withEmptyMessage() {
        CrawlerSystemException exception = new CrawlerSystemException("");

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