testDrivenDevelopment

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SO IN TEST-DRIVEN DEVELOPMENT WE WRITE A TEST BEFORE WRITING A NEW FEATURE BUT TESTS USE EXISTING FEATURES, FOR WHICH WE WRITE TESTS. BUT THOSE TESTS USE OTHER FEATURES, FOR WHICH.. I SEE WHERE THIS IS GOING LET’S ASK THE EXPERTS WHAT SHOULD GO FIRST COT CO THE EXPERTS ASK THE EXPERT