じっ試験 しけん手段 しゅだんではありませんでした
jisshikenshudandewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 実試験手段

1. Was not a practical test method.; Was not a viable means of testing.

Past/Perfective
Negative
Polite
Formal Register
Computing