Test Data and its Importance: The input to any software program is called Test data. It represents the data that affects the execution of a specific module or the data that gets affected by the execution process. Test data can be used for positive testing to verify whether a given input to a given function produces an expected output. It can also be used for negative testing to verify if the given software program can handle extreme, unusual or unexpected input. While working with the poor test data, it could be challenging to test all the possible scenarios that could hamper the software quality.
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