Which test(s) are you referring to? IELTS and TOEFL (listening, speaking, reading, and writing) are used for students who want to enter a university in the U.S. or other English speaking country.
TOEIC, which has listening and speaking components, is often used for people who plan to work in business, or need a high score to enter a university, like in Korea.
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.