Answer: testrun

AnswerCrossword Clue
TESTRUN

Tryout

TESTRUN

Shakedown cruise

TESTRUN

Trial

TESTRUN
Trial in simulated conditions
TESTRUN
In-house trial
TESTRUNBeta release, e.g.
TESTRUNExperimental trial
TESTRUNExperimental drive.
TESTRUNShakedown
TESTRUNBeta release, essentially
TESTRUNDebugging procedure
TESTRUNBeta release, in essence