Yes you can give more tests for free as many exam authorities and educational platform provide them online. Usually the official exam portal has a section for practise or moog test where you can log in with your registration details and attempt them in a timed environment similar to the real exam .If your exam body does not provide one you can still access free mock test on various educational websites and apps that follow the same exam pattern. To start visit the official portal and cheque for a mortgage link or a search for trusted platforms that offer free practise papers then follow the instructions to begin the test. Tell us which exam you are preparing for so I can guide you to the exact mock test link.