}

    @Test
    public void test_fillInStackTrace() {
        // Test fillInStackTrace returns null for performance optimization
        UserRoleLoginException exception = new UserRoleLoginException(RootAction.class);
        Throwable result = exception.fillInStackTrace();
        assertNull(result);

        // Verify that stack trace is not generated

    @Test
    public void test_fillInStackTrace() {
        // Test fillInStackTrace method
        UnsupportedSearchException exception = new UnsupportedSearchException("Stack trace test");

        StackTraceElement[] originalStackTrace = exception.getStackTrace();
        assertNotNull(originalStackTrace);

        Throwable filled = exception.fillInStackTrace();
        assertSame(exception, filled);

    }

    @Test
    public void test_fillInStackTrace() {
        // Test fillInStackTrace method
        ResultOffsetExceededException exception = new ResultOffsetExceededException("Stack trace test");

        StackTraceElement[] originalStackTrace = exception.getStackTrace();
        Throwable result = exception.fillInStackTrace();
        StackTraceElement[] newStackTrace = exception.getStackTrace();