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Assertions and Flaky Tests
3.1OverviewTwo problems define the early automation experience: assertions that pass when they should fail (or fail without telling you why), and…3.2Assertions That Waste TimeAnti-Pattern: Generic assertions like expect(result).toBe(true) or expect(status).toBe(200). When they fail, the error message is "expected…3.3Flaky Tests and Deterministic DesignA flaky test is a test that passes and fails without any code change. Flaky tests destroy trust in the test suite — when a failure might be…3.4Key Takeaways- Write assertions that diagnose failures, not just detect them — include context in error messages - Use soft assertions when you need to…