fixed a test because of the emulator change to include deleted operat…

…ions in FFCF metadata

Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTests/FeedToken/ChangeFeedIteratorCoreTests.cs

@@ -1038,7 +1038,7 @@ public async Task ChangeFeedIteratorCore_FeedRange_FromPartitionKey_Dynamic_Veri
 
                         ChangeFeedIteratorCoreTests.AssertGatewayMode(feedResponse);
 
-                        Assert.AreEqual(expected: 2, actual: itemChanges.Count);
+                        Assert.AreEqual(expected: 3, actual: itemChanges.Count);
 
                         ChangeFeedItemChanges<Item> createOperation = itemChanges[0];
 
@@ -1061,13 +1061,22 @@ public async Task ChangeFeedIteratorCore_FeedRange_FromPartitionKey_Dynamic_Veri
                         Assert.AreEqual(expected: "Atlanta", actual: replaceOperation.Current.City);
                         Assert.AreEqual(expected: "GA", actual: replaceOperation.Current.State);
                         Assert.AreEqual(expected: "30363", actual: replaceOperation.Current.ZipCode);
-                        Assert.IsNotNull(createOperation.Metadata);
+                        Assert.IsNotNull(replaceOperation.Metadata);
                         Assert.AreEqual(expected: ChangeFeedOperationType.Replace, actual: replaceOperation.Metadata.OperationType);
                         Assert.AreNotEqual(notExpected: default, actual: replaceOperation.Metadata.ConflictResolutionTimestamp);
                         Assert.AreNotEqual(notExpected: default, actual: replaceOperation.Metadata.LogSequenceNumber);
                         Assert.AreNotEqual(notExpected: default, actual: replaceOperation.Metadata.PreviousLogSequenceNumber);
                         Assert.IsFalse(replaceOperation.Metadata.TimeToLiveExpired);
 
+                        ChangeFeedItemChanges<Item> deleteOperation = itemChanges[2];
+
+                        Assert.IsNotNull(deleteOperation.Metadata);
+                        Assert.AreEqual(expected: ChangeFeedOperationType.Delete, actual: deleteOperation.Metadata.OperationType);
+                        Assert.AreNotEqual(notExpected: default, actual: deleteOperation.Metadata.ConflictResolutionTimestamp);
+                        Assert.AreNotEqual(notExpected: default, actual: deleteOperation.Metadata.LogSequenceNumber);
+                        Assert.AreNotEqual(notExpected: default, actual: deleteOperation.Metadata.PreviousLogSequenceNumber);
+                        Assert.IsFalse(replaceOperation.Metadata.TimeToLiveExpired);
+
                         break;
                     }
                 }