She can go to CDO or Davao if she wants. They regularly hold IELTS Exam in those cities. But if she can find another accredited tests which is nearer, the better. Here's the British Council link. It will give you information on test dates and how to apply. http://www.britishcouncil.org/philip...hilippines.htm
It is Listening and Speaking but some test providers do not do them individually so she might be asked to take all components (reading, writing, speaking, listening).