plural of RAT test

(Australia) Synonym of RAT (“rapid antigen test”)

plural of diehard test

(law, US) A judicial test as to whether a US state is bound by the United States Bill of Rights in relation to a specific right claimed by the plaintiff, hinging on whether the due process clauses of the Fifth and Fourteenth Amendments to the US Constitution override the immunity which ordinarily applies to states; specifically, the right in question must be "of the very essence of a scheme of ordered liberty" and "deeply rooted in [American] history and tradition" in order to qualify.

Which has been tested on the battleground. / (figuratively) Which has been successfully put to the test in a real-life situation, in conditions of real use.

(computing) Any of a collection of statistical tests for gauging the randomness of a random number generator.

(marketing) A form of market research in which members of the public are recruited and brought to a central location to provide feedback.

An individual test of a component, such as an electrical or mechanical device, that is performed with the component removed from its normal operating environment, notionally on a workshop bench.

simple past tense and past participle of smoke test

To perform a bench test on.