unit test dbt_project.yml context

[MichelleArk]

https://docs.getdbt.com/reference/dbt-jinja-functions/dbt-project-yml-context

[devmessias]

The idea is to expand the unit test documentation, right? This page talks about var and env_var. Currently, unit tests don’t work if var/env_var context are used. I’ve opened a PR to address this, but until it’s reviewed, wouldn’t it be better to specify that this is not yet supported?

#10849