assertTrue(toStringResult.contains(UnsupportedSearchException.class.getName()));
        assertTrue(toStringResult.contains(message));
    }

    @Test
    public void test_getMessage_consistency() {
        // Test that getMessage returns the same value consistently
        String message = "Consistent message";
        UnsupportedSearchException exception = new UnsupportedSearchException(message);

        assertEquals(exception, filled);
        assertNotNull(filled.getStackTrace());
        assertTrue(filled.getStackTrace().length > 0);
    }

    @Test
    public void test_getMessage_consistency() {
        // Test that getMessage returns consistent results
        String message = "Consistent message";
        JobNotFoundException exception = new JobNotFoundException(message);