BC_ASSERT_TRUE(wait_for_until(pauline->lc,marie->lc,&pauline->stat.number_of_LinphonePresenceActivityBusy,4,5000));/*re- schedule marie to clean up things*/
/*simulate a rapid presence change to make sure only first and last are transmited*/
BC_ASSERT_TRUE(wait_for_until(laure->lc,pauline->lc,&laure->stat.number_of_LinphonePresenceActivityVacation,3,6000));/* give time for subscription to recover to avoid to receive 491 Request pending*/