This is the 9232nd most frequent Polish word.
teście
"Teście" is the locative or vocative plural form of "teść," meaning "father-in-law" in Polish.
Here, 'teście' is used in the location sense of being 'on' or 'in' the test, showcasing a dative or locative form of the noun 'test (exam)'.
Na teście musisz odpowiedzieć na wszystkie pytania.
You must answer all the questions on the test.
In this context, 'teście' is part of the prepositional phrase indicating the event or process, again in the locative case of 'test'.
Zebraliśmy dane podczas teście systemu.
We collected data during the system test.
Here, 'teście' is indicating something contained within the test, denoting usage within an environment or document, also using the locative case for 'test'.