Add the cordova tag to a few selftests

Tests with this tag are currently skipped in Windows

tools/tests/cordova-builds.js

@@ -18,7 +18,7 @@ var cleanUpBuild = function (s) {
   files.unlink(files.pathJoin(s.cwd, "myapp.tar.gz"));
 };
 
-selftest.define("cordova builds with server options", ["slow"], function () {
+selftest.define("cordova builds with server options", ["cordova", "slow"], function () {
   var s = new Sandbox();
   var run;
 

tools/tests/cordova-hcp.js

@@ -13,7 +13,7 @@ var config = require("../config.js");
 // it receives a hot code push, it would be connected to whatever
 // ROOT_URL is on the server.
 selftest.define(
-  "cordova --mobile-server argument persists across hot code pushes", function () {
+  "cordova --mobile-server argument persists across hot code pushes", ["cordova"], function () {
     var s = new Sandbox();
     var run;
 
@@ -45,7 +45,7 @@ selftest.define(
     run.stop();
 });
 
-selftest.define("cordova app gets https:// URLs when force-ssl is used", ["net", "slow"], function () {
+selftest.define("cordova app gets https:// URLs when force-ssl is used", ["cordova", "net", "slow"], function () {
   var s = new Sandbox();
   var run;
 

tools/tests/cordova-platforms.js

@@ -2,7 +2,7 @@ var selftest = require('../selftest.js');
 var Sandbox = selftest.Sandbox;
 var files = require('../files.js');
 
-selftest.define("add cordova platforms", function () {
+selftest.define("add cordova platforms", ["cordova"], function () {
   var s = new Sandbox();
   var run;
 

tools/tests/cordova-plugins.js

@@ -92,7 +92,7 @@ var checkUserPlugins = function(sand, plugins) {
 
 // Add plugins to an app. Change the contents of the plugins and their
 // dependencies, make sure that the app still refreshes.
-selftest.define("change cordova plugins", function () {
+selftest.define("change cordova plugins", ["cordova"], function () {
   var s = new Sandbox();
   var run;