Fix CI test

engines/instance_verification/spec/requests/api/connect/v3/systems/products_controller_spec.rb

@@ -147,6 +147,7 @@
             expect(InstanceVerification::Providers::Example).to receive(:new)
               .with(be_a(ActiveSupport::Logger), be_a(ActionDispatch::Request), payload, instance_data).and_return(plugin_double)
             expect(plugin_double).to receive(:instance_valid?).and_return(false)
+            allow(plugin_double).to receive(:allowed_extension?)
             post url, params: payload, headers: headers
           end