K8s: Dualwriter mode3: Return error from unistore (#100992)

pkg/apiserver/rest/dualwriter_mode3.go

@@ -118,6 +118,7 @@ func (d *DualWriterMode3) Get(ctx context.Context, name string, options *metav1.
 	d.recordStorageDuration(err != nil, mode3Str, d.resource, method, startStorage)
 	if err != nil {
 		log.Error(err, "unable to get object in storage")
+		return nil, err
 	}
 
 	//nolint:errcheck

pkg/apiserver/rest/dualwriter_mode3_test.go

@@ -107,10 +107,7 @@ func TestMode3_Get(t *testing.T) {
 				},
 			},
 			{
-				name: "should return an error when getting an object in the unified store fails",
-				setupLegacyFn: func(m *mock.Mock, name string) {
-					m.On("Get", mock.Anything, name, mock.Anything).Return(exampleObj, nil)
-				},
+				name: "should return an error when getting an object in the unified store fails, and should not go to legacy",
 				setupStorageFn: func(m *mock.Mock, name string) {
 					m.On("Get", mock.Anything, name, mock.Anything).Return(nil, errors.New("error"))
 				},