Playwright · Senior · Question 15 of 77

Mocking all APIs makes E2E tests fast. What is the main risk?

1Playwright can mock only GET requests reliably
2Mocks make tests slower than the real backend
3Tests pass while the frontend and real backend disagree

Show the answer

Correct answer: Tests pass while the frontend and real backend disagree

Explanation

Mocked tests check the UI against your assumptions. Keep some tests against a real backend, or add contract tests to catch drift.

Further reading

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