Use Reset at first

pkg/kubelet/kuberuntime/instrumented_services_test.go

@@ -33,11 +33,13 @@ func TestRecordOperation(t *testing.T) {
 	// Use local registry
 	var registry = compbasemetrics.NewKubeRegistry()
 	var gather compbasemetrics.Gatherer = registry
-	defer registry.Reset()
+
 	registry.MustRegister(metrics.RuntimeOperations)
 	registry.MustRegister(metrics.RuntimeOperationsDuration)
 	registry.MustRegister(metrics.RuntimeOperationsErrors)
 
+	registry.Reset()
+
 	l, err := net.Listen("tcp", "127.0.0.1:0")
 	assert.NoError(t, err)
 	defer l.Close()

staging/src/k8s.io/component-base/metrics/testutil/metrics_test.go

@@ -587,8 +587,6 @@ func TestGetHistogramVecFromGatherer(t *testing.T) {
 			if diff := cmp.Diff(tt.wantVec, histogramVec); diff != "" {
 				t.Errorf("Got unexpected HistogramVec (-want +got):\n%s", diff)
 			}
-
-			registry.Reset()
 		})
 	}
 }