Fix typo in test method name and enhance logging in Subscription

Author: magahl-swegon

test/Linq2GraphQL.TestServer/Subscription.cs

@@ -12,9 +12,10 @@ public Customer CustomerAdded([EventMessage] Customer customer)
     }
 
     [Subscribe]
-    [Topic("{name}")]
+    [Topic($"{{{nameof(name)}}}")]
     public Customer CustomerNameAdded(string name, [EventMessage] Customer customer)
     {
+        Console.WriteLine($"Customer {customer.CustomerName} added from topic {name}");
         return customer;
     }
 }

test/Linq2GraphQL.Tests/QueryIncludeTests.cs

@@ -68,7 +68,7 @@ public async Task IncludePrimitives_MultipleLevels()
     }
 
     [Fact]
-    public async Task IncludePrimitives_AnomousResult()
+    public async Task IncludePrimitives_AnonymousResult()
     {
         var query = sampleClient
             .Query