Think of PopVote as a dry run for free and fair elections in the future.
An earlier attempt to invade the Billings home—which may have been only a “dry run”—was made after dark, according to the suspect.
On December 9, Loewen allegedly conducted a dry run, confirming that he could gain access to the tarmac.
A tryout, practice version, or rehearsal of something planned: One more dry run, then tomorrow we do it (1940s+)
: so the medical staff could ''dry run'' their equipment