
1) Beta release, essentially 2) Dress rehearsal 3) Dress rehearsal, basically 4) Experimental tryout 5) In-house trial 6) Shakedown 7) Trial 8) Trial in simulated conditions 9) Tryout
Found on
https://www.crosswordclues.com/clue/test-run

Execution of a test on a specific version of the test object....
Found on
http://www.imbus.de/glossar/
No exact match found.