Added tests and refactored code. Fixed a few bugs.

Improved documentation

All migration steps are now tested at an "integration" level. This will help with future maintenance and onboarding. Certain steps are tested more rigorously because the file contents are checked.

Bug fixes

The following migration steps have been updated:

• createFilesFromBlueprint

  • Fixed typos in __addonLocation__/unpublished-development-types/index.d.ts
  • Fixed typos in package.json

• updateAddonPackageJson

  • Fixed the calculation of desired version

• updateTestAppPackageJson

  • Fixed the calculation of desired version