milo: fix build/step timing

appengine/cmd/milo/settings/funcs_test.go

+// Copyright 2016 The LUCI Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+package settings
+
+import (
+        "testing"
+        "time"
+
+        . "github.com/smartystreets/goconvey/convey"
+)
+
+func TestFuncs(t *testing.T) {
+        t.Parallel()
+
+        Convey("humanDuration", t, func() {
+                Convey("3 hrs", func() {
+                        h := humanDuration(3 * time.Hour)
+                        So(h, ShouldEqual, "3 hrs")
+                })
+
+                Convey("2 hrs 59 mins", func() {
+                        h := humanDuration(2*time.Hour + 59*time.Minute)
+                        So(h, ShouldEqual, "2 hrs 59 mins")
+                })
+        })
+}