Swift Testing Reference Index

• fundamentals.md - @Test, suites, structure, naming, and baseline patterns
• expectations.md - #expect, #require, throw validation, and failure readability
• traits-and-tags.md - traits, tags, bug linking, conditions, and test-plan filtering
• parameterized-testing.md - single/multi-argument parameterization, zip, and scaling strategy
• parallelization-and-isolation.md - default parallel execution, random order, .serialized, and isolation patterns
• performance-and-best-practices.md - test speed, determinism, flaky-test prevention, and parallel-safe defaults
• async-testing-and-waiting.md - async/await in tests, callback bridging, and event-stream verification
• migration-from-xctest.md - pragmatic XCTest -> Swift Testing migration workflow
• xcode-workflows.md - navigator/report workflows, insights, and diagnostics quality
• README.md resources section - Apple documentation links for defining, organizing, and migrating tests