 
 <prompt> ```Wen dem dey send beta wey dem don write, na im dem dey do unit testing? Based on di last question, write one context wey get di answer. E fit be 1 - 20 sentences. Context:``` <response>: Unit testing na one software development process wey involve plenty strategies wey dey help prevent and detect defects so dat e go reduce software development risks, time, and costs. E dey carried out 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 construction errors before code dey move go QA; dis strategy dey help increase the quality of the software wey dem go get as well as the efficiency of the overall development and QA process. 