Synonyms of 'dummy run'
practiceDictionary, trial, dry run
They do a dummy run with the brakes.
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A trial is an experiment in which you test something by using it or doing it for a period of time to see how well it works. If something is on trial, it is being tested in this way.
They have been treated with drugs in clinical trials.
Thesaurus for dummy run from the Collins English Thesaurus
A dummy run is a trial or test procedure which is carried out in order to see if a plan or process works properly.