妥当 だとう せい確認 かくにん試験 しけんではありませんでした
datō sei kakuninshikendewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 妥当性確認試験

1. It was not a suitability confirmation test.; It was not a feasibility confirmation test.

Past/Perfective
Negative
Polite
Formal Register
Computing