However, the file reference is relative to the URI in your schema's id property, which isn't really convenient (you probably want to refer to another schema in the same project). As an example, the ...

Several months after Google said it would deprecate the Google structured data testing tool, Schema.org has launched its markup validator.

In December, Google told us they would move its structured data testing tool from Google's site to the Schema.org domain. Well, now, the Schema.org markup validator is now live, in beta at ...