Add failing test for #21334

spec/lib/extracts_path_spec.rb

@@ -51,6 +51,16 @@ describe ExtractsPath, lib: true do
         expect(@path).to eq(params[:path])
       end
     end
+
+    context 'subclass overrides get_id' do
+      it 'uses ref returned by get_id' do
+        allow_any_instance_of(self.class).to receive(:get_id){ '38008cb17ce1466d8fec2dfa6f6ab8dcfe5cf49e' }
+
+        assign_ref_vars
+
+        expect(@id).to eq(get_id)
+      end
+    end
   end
 
   describe '#extract_ref' do