Add test for anyOf default value

[andreySimonenko]

add test for #2773

Checklist

• [ ] I'm updating documentation
  • [ ] I've checked the rendering of the Markdown text I've added
• [ ] I'm adding or updating code
  • [ ] I've added and/or updated tests. I've run npm run test:update to update snapshots, if needed.
  • [ ] I've updated docs if needed
  • [ ] I've updated the changelog with a description of the PR
• [ ] I'm adding a new feature
  • [ ] I've updated the playground with an example use of the feature

[heath-freenome]

@andreySimonenko What were you trying to figure out by adding this test? It fails so I'm guessing you are waiting for a bug fix?

[heath-freenome]

Closing as this PR fails and no response was given by the author as to the intent

[heath-freenome]

#2773 test case

[heath-freenome]

This was incorporated into #3392