add vendoring with go dep

vendor/github.com/vmware/govmomi/vim25/progress/prefix_test.go

@@ -0,0 +1,40 @@
+/*
+Copyright (c) 2014 VMware, Inc. All Rights Reserved.
+
+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 progress
+
+import "testing"
+
+func TestPrefix(t *testing.T) {
+	var r Report
+
+	ch := make(chan Report, 1)
+	s := Prefix(dummySinker{ch}, "prefix").Sink()
+
+	// No detail
+	s <- dummyReport{d: ""}
+	r = <-ch
+	if r.Detail() != "prefix" {
+		t.Errorf("Expected detail to be prefixed")
+	}
+
+	// With detail
+	s <- dummyReport{d: "something"}
+	r = <-ch
+	if r.Detail() != "prefix: something" {
+		t.Errorf("Expected detail to be prefixed")
+	}
+}