testing that may refer to: looking for smoke when powering electrical items for the first time, the practice of using smoke to test for leaks, testing, with theatrical smoke and fog testing smoke detectors with artificial smoke, katse, mis võib tähendada: suitsu otsimist elektriliste esemete esmakordsel toitel, suitsu kasutamist lekete leidmiseks, teatrisuitsu ja udusuitsu taseme kontrollimist, kunstsuitsuga suitsutajurite testimist jne, testing refers to various classes of tests of systems, usually intended to determine whether they are ready for more robust testing