Add glide.yaml and vendor deps

vendor/k8s.io/kubernetes/pkg/volume/metrics_nil_test.go

@@ -0,0 +1,33 @@
+/*
+Copyright 2015 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package volume
+
+import (
+	"testing"
+)
+
+func TestMetricsNilGetCapacity(t *testing.T) {
+	metrics := &MetricsNil{}
+	actual, err := metrics.GetMetrics()
+	expected := &Metrics{}
+	if *actual != *expected {
+		t.Errorf("Expected empty Metrics, actual %v", *actual)
+	}
+	if err == nil {
+		t.Errorf("Expected error when calling GetMetrics, actual nil")
+	}
+}