Please tell me how can i manage to give unit tests as iam doing the syllabus yet and simultaneously my minors are going on and after studying the unit for the t

please tell me how can i manage to give unit tests as iam doing the syllabus yet and simultaneously my minors tests are going on and after studying the unit for the time from lectures and doing some questions i directly attempt minor test and couldnot score well because i havent attempt unit test suggest something to manage all this stuff?