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NoelStephensUnityNoelStephensUnity
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fix: NetworkShowHideTests fail on HideThenShowAndRpc (#2400)
* test fix Fixing issue where slower or overbooked VM systems could potentially fail on the last NetworkShowHideTest (HideThenShowAndRPC). Migrating WaitForTicks update into NetcodeIntegraitonTest Updating all reference to migrated WaitForTicks. disabling nested network transform tests until PR-2388 is merged (it resolves all of the instability issues) Doing a full #if to exclude NestedNetworkTransformTests completely until PR-2388 updates are merged due to some of the initial setup causing the tests that followed to fail.
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9 files changed

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-51
lines changed

9 files changed

+103
-51
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‎com.unity.netcode.gameobjects/TestHelpers/Runtime/NetcodeIntegrationTest.cs‎

Lines changed: 57 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -701,6 +701,7 @@ public IEnumerator TearDown()
701701
}
702702

703703
VerboseDebug($"Exiting {nameof(TearDown)}");
704+
LogWaitForMessages();
704705
NetcodeLogAssert.Dispose();
705706
}
706707

@@ -1057,5 +1058,61 @@ private void UnloadRemainingScenes()
10571058
var asyncOperation = SceneManager.UnloadSceneAsync(scene);
10581059
}
10591060
}
1061+
1062+
private System.Text.StringBuilder m_WaitForLog = new System.Text.StringBuilder();
1063+
1064+
private void LogWaitForMessages()
1065+
{
1066+
VerboseDebug(m_WaitForLog.ToString());
1067+
m_WaitForLog.Clear();
1068+
}
1069+
1070+
private IEnumerator WaitForTickAndFrames(NetworkManager networkManager, int tickCount, float targetFrames)
1071+
{
1072+
var tickAndFramesConditionMet = false;
1073+
var frameCount = 0;
1074+
var waitForFixedUpdate = new WaitForFixedUpdate();
1075+
m_WaitForLog.Append($"[NetworkManager-{networkManager.LocalClientId}][WaitForTicks-Begin] Waiting for ({tickCount}) network ticks and ({targetFrames}) frames to pass.\n");
1076+
var tickStart = networkManager.NetworkTickSystem.LocalTime.Tick;
1077+
while (!tickAndFramesConditionMet)
1078+
{
1079+
// Wait until both tick and frame counts have reached their targeted values
1080+
if ((networkManager.NetworkTickSystem.LocalTime.Tick - tickStart) >= tickCount && frameCount >= targetFrames)
1081+
{
1082+
tickAndFramesConditionMet = true;
1083+
}
1084+
else
1085+
{
1086+
yield return waitForFixedUpdate;
1087+
frameCount++;
1088+
// In the event something is broken with time systems (or the like)
1089+
// Exit if we have exceeded 1000 frames
1090+
if (frameCount >= 1000.0f)
1091+
{
1092+
tickAndFramesConditionMet = true;
1093+
}
1094+
}
1095+
}
1096+
m_WaitForLog.Append($"[NetworkManager-{networkManager.LocalClientId}][WaitForTicks-End] Waited for ({networkManager.NetworkTickSystem.LocalTime.Tick - tickStart}) network ticks and ({frameCount}) frames to pass.\n");
1097+
yield break;
1098+
}
1099+
1100+
/// <summary>
1101+
/// Yields until specified amount of network ticks and the expected number of frames has been passed.
1102+
/// </summary>
1103+
protected IEnumerator WaitForTicks(NetworkManager networkManager, int count)
1104+
{
1105+
var targetTick = networkManager.NetworkTickSystem.LocalTime.Tick + count;
1106+
1107+
// Calculate the expected number of frame updates that should occur during the tick count wait period
1108+
var frameFrequency = 1.0f / (Application.targetFrameRate >= 60 && Application.targetFrameRate <= 100 ? Application.targetFrameRate : 60.0f);
1109+
var tickFrequency = 1.0f / networkManager.NetworkConfig.TickRate;
1110+
var framesPerTick = tickFrequency / frameFrequency;
1111+
1112+
// Total number of frames to occur over the specified number of ticks
1113+
var totalFrameCount = framesPerTick * count;
1114+
m_WaitForLog.Append($"[NetworkManager-{networkManager.LocalClientId}][WaitForTicks] TickRate ({networkManager.NetworkConfig.TickRate}) | Tick Wait ({count}) | TargetFrameRate ({Application.targetFrameRate}) | Target Frames ({framesPerTick * count})\n");
1115+
yield return WaitForTickAndFrames(networkManager, count, totalFrameCount);
1116+
}
10601117
}
10611118
}

‎com.unity.netcode.gameobjects/TestHelpers/Runtime/NetcodeIntegrationTestHelpers.cs‎

Lines changed: 0 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -537,15 +537,6 @@ public static void MarkAsSceneObjectRoot(GameObject networkObjectRoot, NetworkMa
537537
}
538538
}
539539

540-
/// <summary>
541-
/// Waits (yields) until specified amount of network ticks has been passed.
542-
/// </summary>
543-
public static IEnumerator WaitForTicks(NetworkManager networkManager, int count)
544-
{
545-
var targetTick = networkManager.NetworkTickSystem.LocalTime.Tick + count;
546-
yield return new WaitUntil(() => networkManager.NetworkTickSystem.LocalTime.Tick >= targetTick);
547-
}
548-
549540
/// <summary>
550541
/// Waits on the client side to be connected.
551542
/// </summary>

‎com.unity.netcode.gameobjects/Tests/Runtime/NetworkShowHideTests.cs‎

Lines changed: 28 additions & 26 deletions
Original file line numberDiff line numberDiff line change
@@ -152,7 +152,7 @@ private IEnumerator CheckVisible(bool isVisible)
152152
int count = 0;
153153
do
154154
{
155-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 5);
155+
yield return WaitForTicks(m_ServerNetworkManager, 5);
156156
count++;
157157

158158
if (count > 20)
@@ -268,11 +268,11 @@ public IEnumerator NetworkShowHideTest()
268268
// hide them on one client
269269
Show(mode == 0, false);
270270

271-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 5);
271+
yield return WaitForTicks(m_ServerNetworkManager, 5);
272272

273273
m_NetSpawnedObject1.GetComponent<ShowHideObject>().MyNetworkVariable.Value = 3;
274274

275-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 5);
275+
yield return WaitForTicks(m_ServerNetworkManager, 5);
276276

277277
// verify they got hidden
278278
yield return CheckVisible(false);
@@ -314,10 +314,10 @@ public IEnumerator NetworkShowHideQuickTest()
314314
Show(mode == 0, false);
315315
Show(mode == 0, true);
316316

317-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 5);
317+
yield return WaitForTicks(m_ServerNetworkManager, 5);
318318
yield return WaitForConditionOrTimeOut(RefreshNetworkObjects);
319319
AssertOnTimeout($"Could not refresh all NetworkObjects!");
320-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 5);
320+
yield return WaitForTicks(m_ServerNetworkManager, 5);
321321

322322
// verify they become visible
323323
yield return CheckVisible(true);
@@ -343,7 +343,7 @@ public IEnumerator NetworkHideDespawnTest()
343343
m_NetSpawnedObject1.NetworkHide(m_ClientId0);
344344
m_NetSpawnedObject1.Despawn();
345345

346-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 5);
346+
yield return WaitForTicks(m_ServerNetworkManager, 5);
347347

348348
LogAssert.NoUnexpectedReceived();
349349
}
@@ -400,7 +400,7 @@ public IEnumerator NetworkHideChangeOwnershipNotHidden()
400400
m_NetSpawnedObject1.GetComponent<ShowHideObject>().MyOwnerReadNetworkVariable.Value++;
401401

402402
// wait for three ticks
403-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
403+
yield return WaitForTicks(m_ServerNetworkManager, 3);
404404

405405
// check we'll actually be changing owners
406406
Assert.False(ShowHideObject.ClientTargetedNetworkObjects[0].OwnerClientId == m_ClientNetworkManagers[0].LocalClientId);
@@ -412,8 +412,8 @@ public IEnumerator NetworkHideChangeOwnershipNotHidden()
412412
m_NetSpawnedObject1.ChangeOwnership(m_ClientNetworkManagers[0].LocalClientId);
413413

414414
// wait three ticks
415-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
416-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ClientNetworkManagers[0], 3);
415+
yield return WaitForTicks(m_ServerNetworkManager, 3);
416+
yield return WaitForTicks(m_ClientNetworkManagers[0], 3);
417417

418418
// verify ownership changed
419419
Assert.True(ShowHideObject.ClientTargetedNetworkObjects[0].OwnerClientId == m_ClientNetworkManagers[0].LocalClientId);
@@ -461,64 +461,64 @@ private IEnumerator HideThenShowAndHideThenModifyAndShow()
461461
Debug.Log("Hiding");
462462
// hide
463463
m_NetSpawnedObject1.NetworkHide(1);
464-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
465-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ClientNetworkManagers[0], 3);
464+
yield return WaitForTicks(m_ServerNetworkManager, 3);
465+
yield return WaitForTicks(m_ClientNetworkManagers[0], 3);
466466

467467
Debug.Log("Showing and Hiding");
468468
// show and hide
469469
m_NetSpawnedObject1.NetworkShow(1);
470470
m_NetSpawnedObject1.NetworkHide(1);
471-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
472-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ClientNetworkManagers[0], 3);
471+
yield return WaitForTicks(m_ServerNetworkManager, 3);
472+
yield return WaitForTicks(m_ClientNetworkManagers[0], 3);
473473

474474
Debug.Log("Modifying and Showing");
475475
// modify and show
476476
m_NetSpawnedObject1.GetComponent<ShowHideObject>().MyList.Add(5);
477477
m_NetSpawnedObject1.NetworkShow(1);
478-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
479-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ClientNetworkManagers[0], 3);
478+
yield return WaitForTicks(m_ServerNetworkManager, 3);
479+
yield return WaitForTicks(m_ClientNetworkManagers[0], 3);
480480
}
481481

482482

483483
private IEnumerator HideThenModifyAndShow()
484484
{
485485
// hide
486486
m_NetSpawnedObject1.NetworkHide(1);
487-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
487+
yield return WaitForTicks(m_ServerNetworkManager, 3);
488488

489489
// modify
490490
m_NetSpawnedObject1.GetComponent<ShowHideObject>().MyList.Add(5);
491491
// show
492492
m_NetSpawnedObject1.NetworkShow(1);
493-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
494-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ClientNetworkManagers[0], 3);
493+
yield return WaitForTicks(m_ServerNetworkManager, 3);
494+
yield return WaitForTicks(m_ClientNetworkManagers[0], 3);
495495

496496
}
497497

498498
private IEnumerator HideThenShowAndModify()
499499
{
500500
// hide
501501
m_NetSpawnedObject1.NetworkHide(1);
502-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
502+
yield return WaitForTicks(m_ServerNetworkManager, 3);
503503

504504
// show
505505
m_NetSpawnedObject1.NetworkShow(1);
506506
// modify
507507
m_NetSpawnedObject1.GetComponent<ShowHideObject>().MyList.Add(5);
508-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
509-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ClientNetworkManagers[0], 3);
508+
yield return WaitForTicks(m_ServerNetworkManager, 3);
509+
yield return WaitForTicks(m_ClientNetworkManagers[0], 3);
510510
}
511511

512512
private IEnumerator HideThenShowAndRPC()
513513
{
514514
// hide
515515
m_NetSpawnedObject1.NetworkHide(1);
516-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
516+
yield return WaitForTicks(m_ServerNetworkManager, 3);
517517

518518
// show
519519
m_NetSpawnedObject1.NetworkShow(1);
520520
m_NetSpawnedObject1.GetComponent<ShowHideObject>().TriggerRpc();
521-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
521+
yield return WaitForTicks(m_ServerNetworkManager, 3);
522522
}
523523

524524
[UnityTest]
@@ -540,8 +540,8 @@ public IEnumerator NetworkShowHideAroundListModify()
540540
for (int i = 0; i < 4; i++)
541541
{
542542
// wait for three ticks
543-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
544-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ClientNetworkManagers[0], 3);
543+
yield return WaitForTicks(m_ServerNetworkManager, 3);
544+
yield return WaitForTicks(m_ClientNetworkManagers[0], 3);
545545

546546
switch (i)
547547
{
@@ -561,7 +561,9 @@ public IEnumerator NetworkShowHideAroundListModify()
561561
Debug.Log("Running HideThenShowAndRPC");
562562
ShowHideObject.ClientIdsRpcCalledOn = new List<ulong>();
563563
yield return HideThenShowAndRPC();
564-
Debug.Assert(ShowHideObject.ClientIdsRpcCalledOn.Count == NumberOfClients + 1);
564+
// Provide enough time for slower systems or VM systems possibly under a heavy load could fail on this test
565+
yield return WaitForConditionOrTimeOut(() => ShowHideObject.ClientIdsRpcCalledOn.Count == NumberOfClients + 1);
566+
AssertOnTimeout($"Timed out waiting for ClientIdsRpcCalledOn.Count ({ShowHideObject.ClientIdsRpcCalledOn.Count}) to equal ({NumberOfClients + 1})!");
565567
break;
566568

567569
}

‎com.unity.netcode.gameobjects/Tests/Runtime/NetworkVariableTests.cs‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -236,7 +236,7 @@ public IEnumerator ClientChangesOwnerWritableNetVar()
236236
int clientManagerIndex = m_ClientNetworkManagers.Length - 1;
237237
var newOwnerClientId = m_ClientNetworkManagers[clientManagerIndex].LocalClientId;
238238
testObjServer.ChangeOwnership(newOwnerClientId);
239-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 2);
239+
yield return WaitForTicks(m_ServerNetworkManager, 2);
240240

241241
yield return WaitForOwnerWritableAreEqualOnAll();
242242

@@ -269,7 +269,7 @@ public IEnumerator ClientOwnerWithReadWriteChangesNetVar()
269269
int clientManagerIndex = m_ClientNetworkManagers.Length - 1;
270270
var newOwnerClientId = m_ClientNetworkManagers[clientManagerIndex].LocalClientId;
271271
testObjServer.ChangeOwnership(newOwnerClientId);
272-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 2);
272+
yield return WaitForTicks(m_ServerNetworkManager, 2);
273273

274274
yield return WaitForOwnerWritableAreEqualOnAll();
275275

@@ -301,7 +301,7 @@ public IEnumerator ClientCannotChangeServerWritableNetVar()
301301
int clientManagerIndex = m_ClientNetworkManagers.Length - 1;
302302
var newOwnerClientId = m_ClientNetworkManagers[clientManagerIndex].LocalClientId;
303303
testObjServer.ChangeOwnership(newOwnerClientId);
304-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 2);
304+
yield return WaitForTicks(m_ServerNetworkManager, 2);
305305

306306
yield return WaitForServerWritableAreEqualOnAll();
307307

@@ -333,7 +333,7 @@ public IEnumerator ServerCannotChangeOwnerWritableNetVar()
333333
int clientManagerIndex = m_ClientNetworkManagers.Length - 1;
334334
var newOwnerClientId = m_ClientNetworkManagers[clientManagerIndex].LocalClientId;
335335
testObjServer.ChangeOwnership(newOwnerClientId);
336-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 2);
336+
yield return WaitForTicks(m_ServerNetworkManager, 2);
337337

338338
yield return WaitForOwnerWritableAreEqualOnAll();
339339

‎com.unity.netcode.gameobjects/Tests/Runtime/OwnerModifiedTests.cs‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -91,10 +91,10 @@ public IEnumerator OwnerModifiedTest()
9191
ownerModLastClient.NetworkUpdateStageToCheck = (NetworkUpdateStage)updateLoopType;
9292
Debug.Log($"Testing Update Stage: {ownerModLastClient.NetworkUpdateStageToCheck}");
9393
ownerModLastClient.AddValues = true;
94-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 5);
94+
yield return WaitForTicks(m_ServerNetworkManager, 5);
9595
}
9696

97-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 5);
97+
yield return WaitForTicks(m_ServerNetworkManager, 5);
9898

9999
// We'll have at least one update per stage per client, if all goes well.
100100
Assert.True(OwnerModifiedObject.Updates > 20);

‎com.unity.netcode.gameobjects/Tests/Runtime/OwnerPermissionTests.cs‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -197,9 +197,9 @@ public IEnumerator OwnerPermissionTest()
197197
// Verify client-owned networkList can only be written by owner
198198
Debug.Assert(gotException == (clientWriting != objectIndex));
199199

200-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 5);
201-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ClientNetworkManagers[0], 5);
202-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ClientNetworkManagers[1], 5);
200+
yield return WaitForTicks(m_ServerNetworkManager, 5);
201+
yield return WaitForTicks(m_ClientNetworkManagers[0], 5);
202+
yield return WaitForTicks(m_ClientNetworkManagers[1], 5);
203203

204204
OwnerPermissionObject.VerifyConsistency();
205205
}

‎com.unity.netcode.gameobjects/Tests/Runtime/Physics/NetworkRigidbody2DTest.cs‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -53,7 +53,7 @@ public IEnumerator TestRigidbodyKinematicEnableDisable()
5353
Assert.IsNotNull(serverPlayer);
5454
Assert.IsNotNull(clientPlayer);
5555

56-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 5);
56+
yield return WaitForTicks(m_ServerNetworkManager, 5);
5757

5858
// server rigidbody has authority and should have a kinematic mode of false
5959
Assert.True(serverPlayer.GetComponent<Rigidbody2D>().isKinematic == Kinematic);
@@ -66,12 +66,12 @@ public IEnumerator TestRigidbodyKinematicEnableDisable()
6666
// despawn the server player, (but keep it around on the server)
6767
serverPlayer.GetComponent<NetworkObject>().Despawn(false);
6868

69-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 5);
69+
yield return WaitForTicks(m_ServerNetworkManager, 5);
7070

7171
// This should equal Kinematic
7272
Assert.IsTrue(serverPlayer.GetComponent<Rigidbody2D>().isKinematic == Kinematic);
7373

74-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 5);
74+
yield return WaitForTicks(m_ServerNetworkManager, 5);
7575

7676
Assert.IsTrue(clientPlayer == null); // safety check that object is actually despawned.
7777
}

‎com.unity.netcode.gameobjects/Tests/Runtime/Physics/NetworkRigidbodyTest.cs‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -40,7 +40,7 @@ public IEnumerator TestRigidbodyKinematicEnableDisable()
4040
Assert.IsNotNull(serverPlayer, "serverPlayer is not null");
4141
Assert.IsNotNull(clientPlayer, "clientPlayer is not null");
4242

43-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
43+
yield return WaitForTicks(m_ServerNetworkManager, 3);
4444

4545
// server rigidbody has authority and should not be kinematic
4646
Assert.True(serverPlayer.GetComponent<Rigidbody>().isKinematic == false, "serverPlayer kinematic");
@@ -53,12 +53,12 @@ public IEnumerator TestRigidbodyKinematicEnableDisable()
5353
// despawn the server player (but keep it around on the server)
5454
serverPlayer.GetComponent<NetworkObject>().Despawn(false);
5555

56-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
56+
yield return WaitForTicks(m_ServerNetworkManager, 3);
5757

5858
// When despawned, we should always be kinematic (i.e. don't apply physics when despawned)
5959
Assert.IsTrue(serverPlayer.GetComponent<Rigidbody>().isKinematic == true, "serverPlayer second kinematic");
6060

61-
yield return NetcodeIntegrationTestHelpers.WaitForTicks(m_ServerNetworkManager, 3);
61+
yield return WaitForTicks(m_ServerNetworkManager, 3);
6262

6363
Assert.IsTrue(clientPlayer == null, "clientPlayer being null"); // safety check that object is actually despawned.
6464
}

‎testproject/Assets/Tests/Runtime/ObjectParenting/NestedNetworkTransformTests.cs‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,4 @@
1+
#if EXCLUDE_UNTIL_PR_2388_MERGED
12
using System.Text;
23
using System.Collections;
34
using Unity.Netcode.Components;
@@ -150,6 +151,7 @@ private bool ValidateNetworkTransforms()
150151
return m_ValidationErrors.Length == 0;
151152
}
152153

154+
[Ignore("Issues with this test are resolved in PR-2388, has too many instabilities currently so disabling until PR is merged")]
153155
[UnityTest]
154156
public IEnumerator NestedNetworkTransformSynchronization()
155157
{
@@ -180,4 +182,4 @@ public IEnumerator NestedNetworkTransformSynchronization()
180182

181183
}
182184
}
183-
185+
#endif

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