Improve ecs query performance;

Ghost.Test.Core/TestRunner.cs

@@ -6,6 +6,23 @@ public class TestRunner
         where T : ITest, new()
     {
         var test = new T();
+        test.Setup();
         test.Run();
+        test.Cleanup();
+    }
+
+    public static void Run<T>(int iteration)
+        where T : ITest, new()
+    {
+        var test = new T();
+        test.Setup();
+
+        iteration = iteration < 1 ? 1 : iteration;
+        for (var i = 0; i < iteration; i++)
+        {
+            test.Run();
+        }
+
+        test.Cleanup();
     }
 }