Added missing import in testing.md

[itoxiq]

Changes

Added missing import for msw test example

How to Review

How can a reviewer review your changes? What should be kept in mind for this review?

Checklist

• Unit tests updated
• docs/ updated (if necessary)
• pnpm run update:examples run (only applicable for openapi-typescript)

[changeset-bot]

⚠️ No Changeset found

Latest commit: bc80891

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[netlify]

❌ Deploy Preview for openapi-ts failed.

Name	Link
🔨 Latest commit	bc80891
🔍 Latest deploy log	https://app.netlify.com/projects/openapi-ts/deploys/689c902ce369760008e1a78f

[drwpow]

Thank you!