test process; test stage; test period
Technical term used in computing and engineering to refer to a phase or step in testing.
In this test process, we thoroughly examine the software for bugs.
試験工程が長引いて、リリースが遅れた。
The test period dragged on, delaying the release.
More common in casual or mixed-language environments; 試験工程 is more formal and often used in documentation.
Compound of 試験 (test, examination) and 工程 (process, stage). The exact historical derivation is uncertain, but it follows a standard Sino-Japanese technical compounding pattern.