psxtmtests: Use timeout in more distant future

Adds future compatibility with strict monontonic software timestamps.

testsuites/psxtmtests/psxtmcond08/init.c

@@ -85,7 +85,9 @@ void *Middle(
     rtems_test_assert( rc == 0 );
 
   #elif defined(USE_TIMEDWAIT_WITH_VALUE)
-   
+    /* adjust sleepTime to get something obviously in the future */
+    ++sleepTime.tv_sec;
+
     rc = pthread_cond_timedwait( &CondID, &MutexID, &sleepTime );
     rtems_test_assert( rc == 0 );
 
@@ -133,7 +135,6 @@ void *POSIX_Init(
   /* Convert from timeval to timespec */
   sleepTime.tv_sec  = tp.tv_sec;
   sleepTime.tv_nsec = tp.tv_usec * 1000;
-  sleepTime.tv_nsec += 1;
 
   rc = pthread_cond_init(&CondID, NULL);
   rtems_test_assert( rc == 0 );