testing environment; verification environment
Computing term for a controlled setup used to test or verify software, systems, or configurations.
We test new features first in the testing environment.
テスト環境 is a more common, general term for a testing environment, while 検証環境 emphasizes verification or validation, often in formal or compliance contexts.
Compound of 検証 (verification, inspection) and 環境 (environment). A straightforward technical term with no special historical derivation.