YOU SAID:

They don't profit on the tests so they must be selling it.

INTO JAPANESE

彼らはそれを販売する必要があります彼らのテストに利益はありません。

BACK INTO ENGLISH

Tests should they sell it to their benefit.

INTO JAPANESE

テスト彼らは彼らの利益のためにそれを販売する必要があります。

BACK INTO ENGLISH

Tests should they sell it to their benefit.