pre-release testing
nounUK /ˌpriː.rɪˈliːs ˈtes.tɪŋ/
US /ˌpriː.rɪˈliːs ˈtes.tɪŋ/
Checking something before it is given to everyone.
The team did pre-release testing on the new game to make sure it worked.
OTHER MEANINGS
2. The stage of checking a product for bugs before it is sold or shared.
Pre-release testing caught several errors before the app went live.
3. A trial run of a film, book, or game with a small group before the public sees it.
Pre-release testing of the movie helped the studio fix the ending.
4. The process of confirming that a product meets safety and quality rules before launch.
Pre-release testing is required before the device can be sold.