Add vulcanize to tools.

tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/test/utilities.js

Index: tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/test/utilities.js
diff --git a/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/test/utilities.js b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/test/utilities.js
new file mode 100644
index 0000000000000000000000000000000000000000..841716652c62c74579974cc7f753ccaec90cc107
--- /dev/null
+++ b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/test/utilities.js
@@ -0,0 +1,33 @@
+var expect = require('expect.js'),
+    $ = require('../'),
+    food = require('./fixtures').food;
+
+describe('utility methods', function() {
+
+  describe('.contains', function() {
+
+    it('(container, contained) : should correctly detect the provided element', function() {
+      var $food = $(food);
+      var $fruits = $food.find('#fruits');
+      var $apple = $fruits.find('.apple');
+
+      expect($.contains($food[0], $fruits[0])).to.equal(true);
+      expect($.contains($food[0], $apple[0])).to.equal(true);
+    });
+
+    it('(container, other) : should not detect elements that are not contained', function() {
+      var $food = $(food);
+      var $fruits = $food.find('#fruits');
+      var $vegetables = $food.find('#vegetables');
+      var $apple = $fruits.find('.apple');
+
+      expect($.contains($vegetables[0], $apple[0])).to.equal(false);
+      expect($.contains($fruits[0], $vegetables[0])).to.equal(false);
+      expect($.contains($vegetables[0], $fruits[0])).to.equal(false);
+      expect($.contains($fruits[0], $fruits[0])).to.equal(false);
+      expect($.contains($vegetables[0], $vegetables[0])).to.equal(false);
+    });
+
+  });
+
+});