test: demo property custom searches

[ilandikov]

Types of changes

Changes visible to users:

• Sample vault (prefix: vault - improvements to the Tasks-Demo sample vault)

Internal changes:

• Tests (prefix: test - additions and improvements to unit tests and the smoke tests)

Description

• done by pairing with @claremacrae
• add test showing current behaviour of access to task.file.frontmatter

Motivation and Context

• prepare release with FrontMatter access

How has this been tested?

• approval test

Checklist

• My code follows the code style of this project and passes yarn run lint.
• My change has adequate Unit Test coverage.

Terms

• My contribution follows this project's contributing guide
• I agree to follow this project's Code of Conduct

[sonarcloud]

Quality Gate failed

Failed conditions
19.2% Duplication on New Code (required ≤ 3%)

See analysis details on SonarCloud

[claremacrae]

Thanks!

SonarCloud is complaining about some duplicated code, but this is a pre-existing pattern, and not something that needs fixing in this PR, so I am going to merge anyway.

[claremacrae]

Thanks!

SonarCloud is complaining about some duplicated code, but this is a pre-existing pattern, and not something that needs fixing in this PR, so I am going to merge anyway.