diff --git a/test/spec/cloud-element-templates/cmd/ChangeElementTemplateHandler.spec.js b/test/spec/cloud-element-templates/cmd/ChangeElementTemplateHandler.spec.js
index e8c7db7..8f9a13a 100644
--- a/test/spec/cloud-element-templates/cmd/ChangeElementTemplateHandler.spec.js
+++ b/test/spec/cloud-element-templates/cmd/ChangeElementTemplateHandler.spec.js
@@ -488,6 +488,13 @@ describe('cloud-element-templates/cmd - ChangeElementTemplateHandler', function(
           expect(ioMapping.get('zeebe:inputParameters')).to.have.length(2);
           expect(ioMapping.get('zeebe:outputParameters')).to.have.length(2);
 
+          expect(ioMapping.$parent)
+            .to.equal(getBusinessObject(task).get('extensionElements'));
+
+          ioMapping.get('zeebe:inputParameters').forEach((inputParameter) => {
+            expect(inputParameter.$parent).to.equal(ioMapping);
+          });
+
           expect(ioMapping.get('zeebe:inputParameters')).to.jsonEqual([
             {
               $type: 'zeebe:Input',