There are some some English proficiency test for the students or person that belongs to non-English speaking country. I have listed the overview of the test below:
IELTS: The International English Language Testing System (IELTS Coaching)
is a test taken by people who intend to study or work in a country where English is the language of communication.
TOEFL: TOEFL is one of the most popular English-language test accepted by more than 9000colleges, universities, and agencies in more than 130 countries Australia, Canada, UK, and USA.
CAE: Cambridge English: Advaced (CAE) is another English-language test which is accepted as a proof of English language ability. This test is accepted by 100% universities in UK.
CPE: Cambridge English: Proficient (CPE) is another of the English language tests which are accepted by all the universities in UK. This is conducted in both pen-paper mode and online mode.