testlerinin
Testlerinin is a Turkish morphological form rather than a standalone term. It functions as a third-person plural possessive construction attached to the plural noun testler (tests) to express possession by multiple people or groups. In meaning, testlerinin corresponds roughly to “their tests” or “the tests of them.” The form is created by combining the plural suffix with the appropriate third-person plural possessive suffix, and it follows Turkish vowel harmony rules in actual spelling.
In usage, testlerinin appears in contexts that discuss the tests belonging to others. It is commonly seen
Related forms include testinin or testinin, which would express possession by a singular owner (his/her/its test),
See also Turkish grammar, possessive suffixes, plural suffixes, Turkish noun morphology.