GraphQL service fails if service incorrectly has no fields configured.

[eddyystop]

Throw on .listen() or .setup() if a service is included in GraphQL but it has no fields defined in its schema. Of course this service should have specified graphql: false on the prompts.

generate graphql should check for this. It should display a message for each such service found and then terminate without generating files.

Multiple test-expands have no fields for user1. Adding fields will change multiple other files. There is time consuming work to make these test run after this problem is fixed.