 
 <prompt> Wetin dey make di software wey dem dey produce beta? Based on di last question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Unit testing na one software development process wey involve plenty strategies to prevent and detect defects so dat e go reduce software development risks, time, and costs. E dey done by the software developer or engineer during the construction phase of the software development lifecycle. E no dey replace traditional QA, e just dey add to am. Unit testing dey aim to remove errors before code dey move go QA; dis strategy dey help increase the quality of the software wey dem go get and the efficiency of the overall development and QA process. 