No, u do not have to take test. Because, You may be eligible to transfer your existing driving license, without having to take a driving test or going to a driving school, if you have a valid driving license from some countries. You have to be a citizen of the country given below with current resident status in UAE. This means that former residents from these countries who may be holding permanent driver licenses are not eligible and you will have to follow all the steps to get a new license as given here.

The countries from which citizens can transfer are given below:

Australia, Austria, Bahrain, Belgium, Canada, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Japan, South Korea, Kuwait, Netherlands, New Zealand, Norway, Oman, Poland, Qatar, Romania, Saudi Arabia, South Africa, Spain, Sweden, Switzerland, Turkey, United Kingdom, United States.