Yes, you do, unless you are a national of one of the following countries:
United Kingdom of Great Britain and Northern Ireland, Republic of Ireland, Australia, Canada, New Zealand, United States of America, and from the Caribbean Antigua and Barbuda, Bahamas, Barbados, Dominica, Grenada, Jamaica, St. Kitts and Nevis, St. Lucia, St. Vincent and the Grenadines, Trinidad and Tobago, or from South American Belize and Guyana.
OR if you have completed at university degree in one of the countries mentioned above or in the European Union (with English as language of instruction for the entire study program).
If none of the above is the case, you have to hand in a TOEFL ibt or IELTS academic test result.