feat(validation): enum values should conform to their schema's type

[ralphdoe]

Schema Object: enum values should conform to their schema's type

Description

Error should appear at the enum item whose type doesn't match.

Motivation and Context

How Has This Been Tested?

Added unit testing for all samples.

Screenshots (if appropriate):

Checklist

My PR contains...

• No code changes (src/ is unmodified: changes to documentation, CI, metadata, etc.)
• Dependency changes (any modification to dependencies in package.json)
• Bug fixes (non-breaking change which fixes an issue)
• Improvements (misc. changes to existing features)
• Features (non-breaking change which adds functionality)

My changes...

• are breaking changes to a public API (config options, System API, major UI change, etc).
• are breaking changes to a private API (Redux, component props, utility functions, etc.).
• are breaking changes to a developer API (npm script behavior changes, new dev system dependencies, etc).
• are not breaking changes.

Documentation

• My changes do not require a change to the project documentation.
• My changes require a change to the project documentation.
• If yes to above: I have updated the documentation accordingly.

Automated tests

• My changes can not or do not need to be tested.
• My changes can and should be tested by unit and/or integration tests.
• If yes to above: I have added tests to cover my changes.
• If yes to above: I have taken care to cover edge cases in my tests.
• All new and existing tests passed.

[shockey]

Changes requested 🔧

Most of the inline content is pretty terse — @ralphdoe, ping me on Slack if you have any questions and we'll sync up!

[ralphdoe]

Changes are done!

[shockey]

Getting there! I've attached a mix of changes, change requests, and some comments that aren't absolute requirements.

As always, ping me here or by Slack/email if you have any questions 😄

[shockey]

We're almost there 🙂

[shockey]

merged 🎉

thanks @ralphdoe!