на тесте им пришлось делать все сам

на тесте им пришлось делать все самим, так как преподаватель был вызван проводить тестирование

Результаты (английский) 1:

the test they had to do it all themselves, because the teacher was called to test the

Результаты (английский) 2:

they had to do everything themselves to the test, as the teacher was summoned to test

Результаты (английский) 3:

in the test, they had to do it ourselves, so as the teacher was caused by testing