XUnit JsonDataSource

[visschersm]

See for more info:
https://github.com/xunit/xunit/blob/a28e328528887c7d2842f6702fa8ee008c5bacb9/src/xunit.v3.core/MemberDataAttribute.cs

And:
https://andrewlock.net/creating-strongly-typed-xunit-theory-test-data-with-theorydata/