@kcl_007@yahoo.com.ph , hello! try checking british council, I believe they have center in Bahrain.
btw, you can easily get desired score even if you will only do self study.
Have you heard PTE Academics? I sat for PTE-A and got my desired scores. Some members in the forum used to sit for IELTS but failed and when they found out PTE-A they tried to take the test and got their desired scores.