small test fixes

Author: EmandM

com.unity.netcode.gameobjects/Tests/Runtime/NetworkTransform/NetworkTransformOwnershipTests.cs

@@ -656,6 +656,7 @@ protected override void OnCreatePlayerPrefab()
         private void RandomizeObjectTransformPositions(GameObject gameObject)
         {
             var networkObject = gameObject.GetComponent<NetworkObject>();
+            networkObject.InitializeChildNetworkBehaviours();
             Assert.True(networkObject.ChildNetworkBehaviours.Count > 0);
 
             foreach (var networkTransform in networkObject.NetworkTransforms)

com.unity.netcode.gameobjects/Tests/Runtime/TestHelpers/NetcodeIntegrationTest.cs

@@ -2650,16 +2650,12 @@ public static void SimulateOneFrame()
                     {
                         var method = obj.GetType().GetMethod(methodName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
                         method?.Invoke(obj, new object[] { });
-                        if (obj.ChildNetworkBehaviours == null)
-                        {
-                            obj.InitializeChildNetworkBehaviours();
-                        }
-
-                        foreach (var behaviour in obj.ChildNetworkBehaviours)
-                        {
-                            var behaviourMethod = behaviour.GetType().GetMethod(methodName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
-                            behaviourMethod?.Invoke(behaviour, new object[] { });
-                        }
+                    }
+                    var networkBehaviours = FindObjects.ByType<NetworkBehaviour>();
+                    foreach (var behaviour in networkBehaviours)
+                    {
+                        var behaviourMethod = behaviour.GetType().GetMethod(methodName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
+                        behaviourMethod?.Invoke(behaviour, new object[] { });
                     }
                 }
             }