Milo: Fix empty lines in step text

milo/appengine/buildbot/html_data.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 buildbot
 
 import (
         "fmt"
 
         "github.com/luci/gae/impl/memory"
         "github.com/luci/luci-go/common/clock/testclock"
         "github.com/luci/luci-go/milo/api/resp"
         "github.com/luci/luci-go/milo/appengine/common"
         "github.com/luci/luci-go/server/templates"
         "golang.org/x/net/context"
 )
 
 // We put this here because _test.go files are sometimes not built.
 var testCases = []struct {
         builder string
         build   int
 }{
         {"CrWinGoma", 30608},
         {"win_chromium_rel_ng", 246309},
+        {"newline", 1234},
 }
 
 // BuildTestData returns sample test data for build pages.
 func BuildTestData() []common.TestBundle {
         c := memory.Use(context.Background())
         c, _ = testclock.UseTime(c, testclock.TestTimeUTC)
         bundles := []common.TestBundle{}
         for _, tc := range testCases {
                 build, err := build(c, "debug", tc.builder, tc.build)
                 if err != nil {
@@ skipping 52 matching lines @@
                                                                 Label: "Some current build",
                                                         },
                                                         Revision: "deadbeef",
                                                 },
                                         },
                                 },
                         },
                 },
         }
 }