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1What is the difference between unit testing, integration testing, and end-to-end testing in a Python application?Beginner2What is test coverage, and why is 100% coverage not necessarily a sufficient quality metric?Advanced3What is the purpose of unittest.mock, and when would you mock a dependency versus use a real implementation?Intermediate4How do pytest fixtures improve test setup/teardown compared to unittest's setUp/tearDown?Intermediate5How would you test asynchronous code written with asyncio?Advanced
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