React to changes in the WebApplicationFactory

Author: mkArtakMSFT

src/Identity/test/Identity.FunctionalTests/Infrastructure/ServerFactory.cs

@@ -63,7 +63,7 @@ protected override IHost CreateHost(IHostBuilder builder)
         return result;
     }
 
-    protected override TestServer CreateServer(IWebHostBuilder builder)
+    protected override ITestServer CreateServer(IWebHostBuilder builder)
     {
         var result = base.CreateServer(builder);
         EnsureDatabaseCreated(result.Host.Services);