The MVC and VueJs applications now generate a C# based test project with an API representing the interface of the application. This API can be used to build readable and stable UI tests than can resist implementation changes done to the Html as the framework evolves. Go to the documentation page for more details.
The WCF Service framework is now obsolete from the .Net Core Framework onwards. REST webservices generator offers a migration path to the existing services. Even though the method signatures are not compatible their definition and output are very similar.