Fix typing

RPGLibrary.Test/CommandExecuterTest.cs

@@ -16,13 +16,13 @@ namespace RPGLibrary.Test
       var attackData = new StrengthAttackData(source, source.Strength);
       var command = new AttackCommand(new[] { target }, attackData, damageCalculator);
       var commands = new[] { command };
-      var results = CommandExecuter.Singleton.Execute(commands, new CancellationToken());
+      var results = CommandExecuter.Singleton.Execute<Character>(commands, new CancellationToken());
       var actual = new List<Character>();
 
       await foreach (var resultOfCommand in results)
       {
         await foreach (var resultOfAttack in resultOfCommand)
-          actual.Add((Character)resultOfAttack);
+          actual.Add(resultOfAttack);
 
       }
 
@@ -45,13 +45,13 @@ namespace RPGLibrary.Test
       var command = new AttackCommand(target, attackData, damageCalculator);
 
       var commands = new[] { command };
-      var results = CommandExecuter.Singleton.Execute(commands, new CancellationToken());
+      var results = CommandExecuter.Singleton.Execute<Character>(commands, new CancellationToken());
       var actual = new List<Character>();
 
       await foreach (var resultOfCommand in results)
       {
         await foreach (var resultOfAttack in resultOfCommand)
-          actual.Add((Character)resultOfAttack);
+          actual.Add(resultOfAttack);
 
       }
 
@@ -78,14 +78,14 @@ namespace RPGLibrary.Test
       var commandC = new AttackCommand(target, attackData, damageCalculator);
 
       var commands = new[] { commandA, commandB, commandC };
-      var results = CommandExecuter.Singleton.Execute(commands, new CancellationToken());
+      var results = CommandExecuter.Singleton.Execute<Character>(commands, new CancellationToken());
 
       await foreach (var resultOfCommand in results)
       {
         var characterList = new List<Character>();
         await foreach (var r in resultOfCommand)
         {
-          characterList.Add((Character)r);
+          characterList.Add(r);
         }
 
         Assert.That(characterList[0].HP.Value, Is.EqualTo(32));