What is TestNG? Why do we need TestNG in Selenium?

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The TestNG is one of the most important component when you are actually starting and developing the framework from scratch level. Because you can have the control on all of your test cases and their execution with the help of TestNG. So when I say you can have the control on your test cases there's...
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The TestNG is one of the most important component when you are actually starting and developing the framework from scratch level. Because you can have the control on all of your test cases and their execution with the help of TestNG. So when I say you can have the control on your test cases there's a lot, so what all the important features we have in dealing and controlling test cases. I can give you some high level examples. Suppose, if you want to run a test case "A", before that a prerequisite, you need to run some multiple test cases before you begin the test case "A". Now you can set and map the test cases in accordance to the requirement with the help of TestNG. In such a manner those prerequisite Test Cases will run first and only then it will trigger the test case "A", in that way you can control your test cases. read less
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