Expect three more change types

Author: rmunn

backend/FwLite/LcmCrdt.Tests/DataModelSnapshotTests.VerifyChangeModels.verified.txt

@@ -124,6 +124,18 @@
       DerivedType: RemoveComplexFormTypeChange,
       TypeDiscriminator: RemoveComplexFormTypeChange
     },
+    {
+      DerivedType: AddPublicationChange,
+      TypeDiscriminator: AddPublicationChange
+    },
+    {
+      DerivedType: RemovePublicationChange,
+      TypeDiscriminator: RemovePublicationChange
+    },
+    {
+      DerivedType: ReplacePublicationChange,
+      TypeDiscriminator: ReplacePublicationChange
+    },
     {
       DerivedType: SetComplexFormComponentChange,
       TypeDiscriminator: SetComplexFormComponentChange