diff --git a/Assets/Mirror/Tests/Editor/SyncCollections/SyncDictionaryTest.cs b/Assets/Mirror/Tests/Editor/SyncCollections/SyncDictionaryTest.cs
index 6aaec21fa..da0ebecdc 100644
--- a/Assets/Mirror/Tests/Editor/SyncCollections/SyncDictionaryTest.cs
+++ b/Assets/Mirror/Tests/Editor/SyncCollections/SyncDictionaryTest.cs
@@ -463,11 +463,13 @@ public void DirtyTest()
 
             // nothing to send
             Assert.That(serverSyncDictionaryDirtyCalled, Is.EqualTo(0));
+            Assert.That(clientSyncDictionaryDirtyCalled, Is.EqualTo(0));
 
             // something has changed
             serverSyncDictionary.Add(15, "yay");
             Assert.That(serverSyncDictionaryDirtyCalled, Is.EqualTo(1));
             SerializeDeltaTo(serverSyncDictionary, clientSyncDictionary);
+            Assert.That(clientSyncDictionaryDirtyCalled, Is.EqualTo(1));
         }
 
         [Test]
diff --git a/Assets/Mirror/Tests/Editor/SyncCollections/SyncListTest.cs b/Assets/Mirror/Tests/Editor/SyncCollections/SyncListTest.cs
index c87da8cc4..845865387 100644
--- a/Assets/Mirror/Tests/Editor/SyncCollections/SyncListTest.cs
+++ b/Assets/Mirror/Tests/Editor/SyncCollections/SyncListTest.cs
@@ -464,12 +464,13 @@ public void CallbackTest()
             };
 
             bool changeActionCalled = false;
-            clientSyncList.OnChange = (op, index, oldItem) =>
+            clientSyncList.OnChange = (op, index, newItem) =>
             {
                 changeActionCalled = true;
                 Assert.That(op, Is.EqualTo(SyncList<string>.Operation.OP_ADD));
                 Assert.That(index, Is.EqualTo(3));
-                Assert.That(oldItem, Is.EqualTo("yay"));
+                Assert.That(newItem, Is.EqualTo("yay"));
+                Assert.That(clientSyncList[index], Is.EqualTo("yay"));
             };
 
             serverSyncList.Add("yay");
@@ -581,15 +582,18 @@ public void DirtyTest()
         {
             // Sync Delta to clear dirty
             Assert.That(serverSyncListDirtyCalled, Is.EqualTo(0));
+            Assert.That(clientSyncListDirtyCalled, Is.EqualTo(0));
             SerializeDeltaTo(serverSyncList, clientSyncList);
 
             // nothing to send
             Assert.That(serverSyncListDirtyCalled, Is.EqualTo(0));
+            Assert.That(clientSyncListDirtyCalled, Is.EqualTo(0));
 
             // something has changed
             serverSyncList.Add("1");
             Assert.That(serverSyncListDirtyCalled, Is.EqualTo(1));
             SerializeDeltaTo(serverSyncList, clientSyncList);
+            Assert.That(clientSyncListDirtyCalled, Is.EqualTo(1));
         }
 
         [Test]
diff --git a/Assets/Mirror/Tests/Editor/SyncCollections/SyncSetTest.cs b/Assets/Mirror/Tests/Editor/SyncCollections/SyncSetTest.cs
index 6c56ed9bc..5fdb10122 100644
--- a/Assets/Mirror/Tests/Editor/SyncCollections/SyncSetTest.cs
+++ b/Assets/Mirror/Tests/Editor/SyncCollections/SyncSetTest.cs
@@ -77,6 +77,7 @@ public void TestAdd()
             Assert.That(serverSyncSetDirtyCalled, Is.EqualTo(1));
             SerializeDeltaTo(serverSyncSet, clientSyncSet);
             Assert.That(clientSyncSet, Is.EquivalentTo(new[] { "Hello", "World", "!", "yay" }));
+            Assert.That(clientSyncSetDirtyCalled, Is.EqualTo(1));
         }
 
         [Test]
@@ -86,6 +87,7 @@ public void TestRemove()
             Assert.That(serverSyncSetDirtyCalled, Is.EqualTo(1));
             SerializeDeltaTo(serverSyncSet, clientSyncSet);
             Assert.That(clientSyncSet, Is.EquivalentTo(new[] { "Hello", "!" }));
+            Assert.That(clientSyncSetDirtyCalled, Is.EqualTo(1));
         }
 
         [Test]
@@ -158,11 +160,11 @@ public void CallbackTest()
             };
 
             bool changeActionCalled = false;
-            clientSyncSet.OnChange = (op, item) =>
+            clientSyncSet.OnChange = (op, newItem) =>
             {
                 changeActionCalled = true;
                 Assert.That(op, Is.EqualTo(SyncHashSet<string>.Operation.OP_ADD));
-                Assert.That(item, Is.EqualTo("yay"));
+                Assert.That(newItem, Is.EqualTo("yay"));
             };
 
             serverSyncSet.Add("yay");
@@ -194,11 +196,11 @@ public void CallbackRemoveTest()
             };
 
             bool changeActionCalled = false;
-            clientSyncSet.OnChange = (op, item) =>
+            clientSyncSet.OnChange = (op, oldItem) =>
             {
                 changeActionCalled = true;
                 Assert.That(op, Is.EqualTo(SyncHashSet<string>.Operation.OP_REMOVE));
-                Assert.That(item, Is.EqualTo("World"));
+                Assert.That(oldItem, Is.EqualTo("World"));
             };
 
             serverSyncSet.Remove("World");