That's most likely because the API keys secrets.MYGET_CI_API_KEY live in the AutoMapper repos.
Also maybe consider:
EF v6.3.0 (minimum version for .Net Standard)
May also want to add a web project WebAPI.OData..EF6 similar to WebAPI.OData.EFCore and add the port number to the tests. The full framework web project (WebAPI.AspNetCore.OData.EF6 ) became obsolete with Microsoft.AspNetCore 3.0. We'll need something to validate the new feature.
There is some problem with build check, but it seems unrelated to the code changes. " Missing value for option 'api-key'" "