This is the 6192nd most frequent Russian word.
тестовом
"Тестовом" means "test" or "testing" in the context of something experimental or in a trial phase.
The word 'тестовом' here is used as an adjective describing the noun 'режиме' (mode), indicating that the mode is for testing purposes or experimental.
Мы работаем в тестовом режиме, чтобы найти ошибки.
We are operating in test mode to find errors.
Here, 'тестовом' is an adjective modifying 'этапе' (stage), suggesting that the stage is specifically for testing or trial.
На тестовом этапе важно внимательно следить за результатами.
At the test stage, it is important to closely monitor the results.
In this sentence, 'тестовом' functions as an adjective for 'проекте' (project), pointing out that the project is designed for testing purposes.