Update generated component pack loading strategy test for CI compatibility

Author: AbanoubGhadban

spec/dummy/spec/helpers/react_on_rails_helper_spec.rb

@@ -50,7 +50,13 @@ class PlainReactOnRailsHelper
       allow(helper).to receive(:append_javascript_pack_tag)
       allow(helper).to receive(:append_stylesheet_pack_tag)
       expect { helper.load_pack_for_generated_component("component_name", render_options) }.not_to raise_error
-      expect(helper).to have_received(:append_javascript_pack_tag).with("generated/component_name", { defer: false })
+
+      if ENV["CI_PACKER_VERSION"] == "old"
+        expect(helper).to have_received(:append_javascript_pack_tag).with("generated/component_name", { defer: false })
+      else
+        expect(helper).to have_received(:append_javascript_pack_tag)
+          .with("generated/component_name",{ defer: false, async: true })
+      end
       expect(helper).to have_received(:append_stylesheet_pack_tag).with("generated/component_name")
     end