Add basic swarming UI tests

appengine/swarming/ui/res/js/alias.js

 // 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.
 
-// TODO(kjlubick): add tests for this code
-
 this.swarming = this.swarming || {};
 this.swarming.alias = this.swarming.alias || (function(){
   var ANDROID_ALIASES = {
     "angler": "Nexus 6p",
     "bullhead": "Nexus 5X",
     "flo": "Nexus 7 (2013)",
     "flounder": "Nexus 9",
     "foster": "NVIDIA Shield",
     "fugu": "Nexus Player",
     "grouper": "Nexus 7 (2012)",
@@ skipping 53 matching lines @@
     5: "Full",
   }
 
   // For consistency, all aliases are displayed like:
   // Nexus 5X (bullhead)
   // This regex matches a string like "ALIAS (ORIG)", with ORIG as group 1.
   var ALIAS_REGEXP = /.+ \((.*)\)/;
 
   var alias = {};
 
-  alias.DIMENSIONS_WITH_ALIASES = ["device_type", "gpu", "battery_health"];
+  alias.DIMENSIONS_WITH_ALIASES = ["device_type", "gpu", "battery_health", "battery_status"];
 
   alias.android = function(dt) {
     return ANDROID_ALIASES[dt] || UNKNOWN;
   };
 
   alias.battery_health = function(bh) {
     return BATTERY_HEALTH_ALIASES[bh] || UNKNOWN;
   };
 
   alias.battery_status = function(bs) {
@@ skipping 38 matching lines @@
 
   var aliasMap = {
     "device_type": alias.android,
     "gpu": alias.gpu,
     "battery_health": alias.battery_health,
     "battery_status": alias.battery_status,
   }
 
   return alias;
 })();