🔬 Testing: Conversion to Mock Service Workers

[JacobMGEvans]

Currently new tests are utilizing Mock Service Workers (MSW) and r2.test & whoami.test were converted to fully utilize the current MSW implementation.

This is a tracking ticket anyone is welcome to help in conversion Files to evaluate and convert if necessary:

• [ ] api-dev.test.ts
• [ ] api-devregistry.test.js
• [ ] api.test.ts
• [ ] config-cache-without-cache-dir.test.ts
• [ ] config-cache.test.ts
• [ ] configuration.test.ts
• [ ] dev.test.tsx
• [ ] dialogs.test.tsx
• [ ] generate.test.ts
• [ ] guess-worker-format.test.ts
• [ ] https-options.test.ts
• [ ] index.test.ts
• [ ] init.test.ts
• [ ] jest.setup.ts (this will need further modifying after test files are converted)
• [ ] kv.test.ts
• [ ] logger.test.ts
• [ ] metrics.test.ts
• [ ] middleware.scheduled.test.ts
• [ ] middleware.test.ts
• [ ] package-manager.test.ts
• [ ] pages.test.ts
• [ ] parse.test.ts
• [ ] paths.test.ts
• [ ] publish.test.ts
• [ ] pubsub.test.ts
• [x] r2.test.ts
• [ ] route.test.ts
• [ ] secret.test.ts
• [ ] tail.test.ts
• [ ] test-old-node-version.js
• [ ] user.test.ts
• [ ] validate-dev-props.test.ts
• [ ] version.test.ts
• [x] whoami.test.tsx
• [ ] worker-namespace.test.ts