本番 ほんばん運用 うんようじゃなかったです
homban'un'yōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 本番運用

1. It wasn't the real thing.; It wasn't in production.; It wasn't the actual performance.

Past/Perfective
Negative
Polite
Casual Register
Computing