final String pidPart = instanceId.substring(instanceId.lastIndexOf(':') + 1);
        assertTrue(Long.parseLong(pidPart) > 0, "PID should be a positive number");
    }

    @Test
    public void test_isEoled() {
        assertEquals(systemHelper.getCurrentTimeAsLong() > systemHelper.eolTime, systemHelper.isEoled());
        final SystemHelper helper1 = new SystemHelper() {
            @Override